daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1 | // |
shannon.woods%transgaming.com@gtempaccount.com | c0d0c22 | 2013-04-13 03:29:36 +0000 | [diff] [blame] | 2 | // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved. |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 3 | // Use of this source code is governed by a BSD-style license that can be |
| 4 | // found in the LICENSE file. |
| 5 | // |
| 6 | |
Jamie Madill | 6b9cb25 | 2013-10-17 10:45:47 -0400 | [diff] [blame] | 7 | #include "compiler/translator/ParseContext.h" |
daniel@transgaming.com | bbf56f7 | 2010-04-20 18:52:13 +0000 | [diff] [blame] | 8 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 9 | #include <stdarg.h> |
apatrick@chromium.org | 8187fa8 | 2010-06-15 22:09:28 +0000 | [diff] [blame] | 10 | #include <stdio.h> |
daniel@transgaming.com | bbf56f7 | 2010-04-20 18:52:13 +0000 | [diff] [blame] | 11 | |
Geoff Lang | 1773282 | 2013-08-29 13:46:49 -0400 | [diff] [blame] | 12 | #include "compiler/translator/glslang.h" |
daniel@transgaming.com | b401a92 | 2012-10-26 18:58:24 +0000 | [diff] [blame] | 13 | #include "compiler/preprocessor/SourceLocation.h" |
daniel@transgaming.com | bbf56f7 | 2010-04-20 18:52:13 +0000 | [diff] [blame] | 14 | |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 15 | /////////////////////////////////////////////////////////////////////// |
| 16 | // |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 17 | // Sub- vector and matrix fields |
| 18 | // |
| 19 | //////////////////////////////////////////////////////////////////////// |
| 20 | |
| 21 | // |
| 22 | // Look at a '.' field selector string and change it into offsets |
| 23 | // for a vector. |
| 24 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 25 | bool TParseContext::parseVectorFields(const TString& compString, int vecSize, TVectorFields& fields, const TSourceLoc& line) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 26 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 27 | fields.num = (int) compString.size(); |
| 28 | if (fields.num > 4) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 29 | error(line, "illegal vector field selection", compString.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 30 | return false; |
| 31 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 32 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 33 | enum { |
| 34 | exyzw, |
| 35 | ergba, |
daniel@transgaming.com | b3077d0 | 2013-01-11 04:12:09 +0000 | [diff] [blame] | 36 | estpq |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 37 | } fieldSet[4]; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 38 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 39 | for (int i = 0; i < fields.num; ++i) { |
| 40 | switch (compString[i]) { |
| 41 | case 'x': |
| 42 | fields.offsets[i] = 0; |
| 43 | fieldSet[i] = exyzw; |
| 44 | break; |
| 45 | case 'r': |
| 46 | fields.offsets[i] = 0; |
| 47 | fieldSet[i] = ergba; |
| 48 | break; |
| 49 | case 's': |
| 50 | fields.offsets[i] = 0; |
| 51 | fieldSet[i] = estpq; |
| 52 | break; |
| 53 | case 'y': |
| 54 | fields.offsets[i] = 1; |
| 55 | fieldSet[i] = exyzw; |
| 56 | break; |
| 57 | case 'g': |
| 58 | fields.offsets[i] = 1; |
| 59 | fieldSet[i] = ergba; |
| 60 | break; |
| 61 | case 't': |
| 62 | fields.offsets[i] = 1; |
| 63 | fieldSet[i] = estpq; |
| 64 | break; |
| 65 | case 'z': |
| 66 | fields.offsets[i] = 2; |
| 67 | fieldSet[i] = exyzw; |
| 68 | break; |
| 69 | case 'b': |
| 70 | fields.offsets[i] = 2; |
| 71 | fieldSet[i] = ergba; |
| 72 | break; |
| 73 | case 'p': |
| 74 | fields.offsets[i] = 2; |
| 75 | fieldSet[i] = estpq; |
| 76 | break; |
| 77 | |
| 78 | case 'w': |
| 79 | fields.offsets[i] = 3; |
| 80 | fieldSet[i] = exyzw; |
| 81 | break; |
| 82 | case 'a': |
| 83 | fields.offsets[i] = 3; |
| 84 | fieldSet[i] = ergba; |
| 85 | break; |
| 86 | case 'q': |
| 87 | fields.offsets[i] = 3; |
| 88 | fieldSet[i] = estpq; |
| 89 | break; |
| 90 | default: |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 91 | error(line, "illegal vector field selection", compString.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 92 | return false; |
| 93 | } |
| 94 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 95 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 96 | for (int i = 0; i < fields.num; ++i) { |
| 97 | if (fields.offsets[i] >= vecSize) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 98 | error(line, "vector field selection out of range", compString.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 99 | return false; |
| 100 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 101 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 102 | if (i > 0) { |
| 103 | if (fieldSet[i] != fieldSet[i-1]) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 104 | error(line, "illegal - vector component fields not from the same set", compString.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 105 | return false; |
| 106 | } |
| 107 | } |
| 108 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 109 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 110 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | |
| 114 | // |
| 115 | // Look at a '.' field selector string and change it into offsets |
| 116 | // for a matrix. |
| 117 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 118 | bool TParseContext::parseMatrixFields(const TString& compString, int matCols, int matRows, TMatrixFields& fields, const TSourceLoc& line) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 119 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 120 | fields.wholeRow = false; |
| 121 | fields.wholeCol = false; |
| 122 | fields.row = -1; |
| 123 | fields.col = -1; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 124 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 125 | if (compString.size() != 2) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 126 | error(line, "illegal length of matrix field selection", compString.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 127 | return false; |
| 128 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 129 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 130 | if (compString[0] == '_') { |
| 131 | if (compString[1] < '0' || compString[1] > '3') { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 132 | error(line, "illegal matrix field selection", compString.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 133 | return false; |
| 134 | } |
| 135 | fields.wholeCol = true; |
| 136 | fields.col = compString[1] - '0'; |
| 137 | } else if (compString[1] == '_') { |
| 138 | if (compString[0] < '0' || compString[0] > '3') { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 139 | error(line, "illegal matrix field selection", compString.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 140 | return false; |
| 141 | } |
| 142 | fields.wholeRow = true; |
| 143 | fields.row = compString[0] - '0'; |
| 144 | } else { |
| 145 | if (compString[0] < '0' || compString[0] > '3' || |
| 146 | compString[1] < '0' || compString[1] > '3') { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 147 | error(line, "illegal matrix field selection", compString.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 148 | return false; |
| 149 | } |
| 150 | fields.row = compString[0] - '0'; |
| 151 | fields.col = compString[1] - '0'; |
| 152 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 153 | |
shannonwoods@chromium.org | 09e0988 | 2013-05-30 00:18:25 +0000 | [diff] [blame] | 154 | if (fields.row >= matRows || fields.col >= matCols) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 155 | error(line, "matrix field selection out of range", compString.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 156 | return false; |
| 157 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 158 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 159 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | /////////////////////////////////////////////////////////////////////// |
| 163 | // |
| 164 | // Errors |
| 165 | // |
| 166 | //////////////////////////////////////////////////////////////////////// |
| 167 | |
| 168 | // |
| 169 | // Track whether errors have occurred. |
| 170 | // |
| 171 | void TParseContext::recover() |
| 172 | { |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | // |
| 176 | // Used by flex/bison to output all syntax and parsing errors. |
| 177 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 178 | void TParseContext::error(const TSourceLoc& loc, |
alokp@chromium.org | 044a5cf | 2010-11-12 15:42:16 +0000 | [diff] [blame] | 179 | const char* reason, const char* token, |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 180 | const char* extraInfo) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 181 | { |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 182 | pp::SourceLocation srcLoc; |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 183 | srcLoc.file = loc.first_file; |
| 184 | srcLoc.line = loc.first_line; |
Shannon Woods | 7f2d794 | 2013-11-19 15:07:58 -0500 | [diff] [blame] | 185 | diagnostics.writeInfo(pp::Diagnostics::PP_ERROR, |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 186 | srcLoc, reason, token, extraInfo); |
alokp@chromium.org | ff42c63 | 2010-05-10 15:14:30 +0000 | [diff] [blame] | 187 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 188 | } |
| 189 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 190 | void TParseContext::warning(const TSourceLoc& loc, |
alokp@chromium.org | 044a5cf | 2010-11-12 15:42:16 +0000 | [diff] [blame] | 191 | const char* reason, const char* token, |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 192 | const char* extraInfo) { |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 193 | pp::SourceLocation srcLoc; |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 194 | srcLoc.file = loc.first_file; |
| 195 | srcLoc.line = loc.first_line; |
Shannon Woods | 7f2d794 | 2013-11-19 15:07:58 -0500 | [diff] [blame] | 196 | diagnostics.writeInfo(pp::Diagnostics::PP_WARNING, |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 197 | srcLoc, reason, token, extraInfo); |
alokp@chromium.org | 044a5cf | 2010-11-12 15:42:16 +0000 | [diff] [blame] | 198 | } |
| 199 | |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 200 | void TParseContext::trace(const char* str) |
| 201 | { |
| 202 | diagnostics.writeDebug(str); |
| 203 | } |
| 204 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 205 | // |
| 206 | // Same error message for all places assignments don't work. |
| 207 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 208 | void TParseContext::assignError(const TSourceLoc& line, const char* op, TString left, TString right) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 209 | { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 210 | std::stringstream extraInfoStream; |
| 211 | extraInfoStream << "cannot convert from '" << right << "' to '" << left << "'"; |
| 212 | std::string extraInfo = extraInfoStream.str(); |
| 213 | error(line, "", op, extraInfo.c_str()); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | // |
| 217 | // Same error message for all places unary operations don't work. |
| 218 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 219 | void TParseContext::unaryOpError(const TSourceLoc& line, const char* op, TString operand) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 220 | { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 221 | std::stringstream extraInfoStream; |
| 222 | extraInfoStream << "no operation '" << op << "' exists that takes an operand of type " << operand |
| 223 | << " (or there is no acceptable conversion)"; |
| 224 | std::string extraInfo = extraInfoStream.str(); |
| 225 | error(line, " wrong operand type", op, extraInfo.c_str()); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | // |
| 229 | // Same error message for all binary operations don't work. |
| 230 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 231 | void TParseContext::binaryOpError(const TSourceLoc& line, const char* op, TString left, TString right) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 232 | { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 233 | std::stringstream extraInfoStream; |
| 234 | extraInfoStream << "no operation '" << op << "' exists that takes a left-hand operand of type '" << left |
| 235 | << "' and a right operand of type '" << right << "' (or there is no acceptable conversion)"; |
| 236 | std::string extraInfo = extraInfoStream.str(); |
| 237 | error(line, " wrong operand types ", op, extraInfo.c_str()); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 238 | } |
| 239 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 240 | bool TParseContext::precisionErrorCheck(const TSourceLoc& line, TPrecision precision, TBasicType type){ |
zmo@google.com | dc4b4f8 | 2011-06-17 00:42:53 +0000 | [diff] [blame] | 241 | if (!checksPrecisionErrors) |
| 242 | return false; |
daniel@transgaming.com | a5d7623 | 2010-05-17 09:58:47 +0000 | [diff] [blame] | 243 | switch( type ){ |
| 244 | case EbtFloat: |
| 245 | if( precision == EbpUndefined ){ |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 246 | error( line, "No precision specified for (float)", "" ); |
daniel@transgaming.com | a5d7623 | 2010-05-17 09:58:47 +0000 | [diff] [blame] | 247 | return true; |
| 248 | } |
| 249 | break; |
| 250 | case EbtInt: |
| 251 | if( precision == EbpUndefined ){ |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 252 | error( line, "No precision specified (int)", "" ); |
daniel@transgaming.com | a5d7623 | 2010-05-17 09:58:47 +0000 | [diff] [blame] | 253 | return true; |
| 254 | } |
| 255 | break; |
daniel@transgaming.com | 0eb64c3 | 2011-03-15 18:23:51 +0000 | [diff] [blame] | 256 | default: |
| 257 | return false; |
daniel@transgaming.com | a5d7623 | 2010-05-17 09:58:47 +0000 | [diff] [blame] | 258 | } |
| 259 | return false; |
| 260 | } |
| 261 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 262 | // |
| 263 | // Both test and if necessary, spit out an error, to see if the node is really |
| 264 | // an l-value that can be operated on this way. |
| 265 | // |
| 266 | // Returns true if the was an error. |
| 267 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 268 | bool TParseContext::lValueErrorCheck(const TSourceLoc& line, const char* op, TIntermTyped* node) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 269 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 270 | TIntermSymbol* symNode = node->getAsSymbolNode(); |
| 271 | TIntermBinary* binaryNode = node->getAsBinaryNode(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 272 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 273 | if (binaryNode) { |
| 274 | bool errorReturn; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 275 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 276 | switch(binaryNode->getOp()) { |
| 277 | case EOpIndexDirect: |
| 278 | case EOpIndexIndirect: |
| 279 | case EOpIndexDirectStruct: |
shannonwoods@chromium.org | 4430b0d | 2013-05-30 00:12:34 +0000 | [diff] [blame] | 280 | case EOpIndexDirectInterfaceBlock: |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 281 | return lValueErrorCheck(line, op, binaryNode->getLeft()); |
| 282 | case EOpVectorSwizzle: |
| 283 | errorReturn = lValueErrorCheck(line, op, binaryNode->getLeft()); |
| 284 | if (!errorReturn) { |
| 285 | int offset[4] = {0,0,0,0}; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 286 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 287 | TIntermTyped* rightNode = binaryNode->getRight(); |
| 288 | TIntermAggregate *aggrNode = rightNode->getAsAggregate(); |
| 289 | |
| 290 | for (TIntermSequence::iterator p = aggrNode->getSequence().begin(); |
| 291 | p != aggrNode->getSequence().end(); p++) { |
shannon.woods%transgaming.com@gtempaccount.com | c0d0c22 | 2013-04-13 03:29:36 +0000 | [diff] [blame] | 292 | int value = (*p)->getAsTyped()->getAsConstantUnion()->getIConst(0); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 293 | offset[value]++; |
| 294 | if (offset[value] > 1) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 295 | error(line, " l-value of swizzle cannot have duplicate components", op); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 296 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 297 | return true; |
| 298 | } |
| 299 | } |
| 300 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 301 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 302 | return errorReturn; |
| 303 | default: |
| 304 | break; |
| 305 | } |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 306 | error(line, " l-value required", op); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 307 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 308 | return true; |
| 309 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 310 | |
| 311 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 312 | const char* symbol = 0; |
| 313 | if (symNode != 0) |
| 314 | symbol = symNode->getSymbol().c_str(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 315 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 316 | const char* message = 0; |
| 317 | switch (node->getQualifier()) { |
| 318 | case EvqConst: message = "can't modify a const"; break; |
| 319 | case EvqConstReadOnly: message = "can't modify a const"; break; |
| 320 | case EvqAttribute: message = "can't modify an attribute"; break; |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 321 | case EvqFragmentIn: message = "can't modify an input"; break; |
| 322 | case EvqVertexIn: message = "can't modify an input"; break; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 323 | case EvqUniform: message = "can't modify a uniform"; break; |
| 324 | case EvqVaryingIn: message = "can't modify a varying"; break; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 325 | case EvqFragCoord: message = "can't modify gl_FragCoord"; break; |
| 326 | case EvqFrontFacing: message = "can't modify gl_FrontFacing"; break; |
| 327 | case EvqPointCoord: message = "can't modify gl_PointCoord"; break; |
| 328 | default: |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 329 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 330 | // |
| 331 | // Type that can't be written to? |
| 332 | // |
Nicolas Capens | 344e714 | 2013-06-24 15:39:21 -0400 | [diff] [blame] | 333 | if (node->getBasicType() == EbtVoid) { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 334 | message = "can't modify void"; |
Nicolas Capens | 344e714 | 2013-06-24 15:39:21 -0400 | [diff] [blame] | 335 | } |
| 336 | if (IsSampler(node->getBasicType())) { |
| 337 | message = "can't modify a sampler"; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 338 | } |
| 339 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 340 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 341 | if (message == 0 && binaryNode == 0 && symNode == 0) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 342 | error(line, " l-value required", op); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 343 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 344 | return true; |
| 345 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 346 | |
| 347 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 348 | // |
| 349 | // Everything else is okay, no error. |
| 350 | // |
| 351 | if (message == 0) |
| 352 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 353 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 354 | // |
| 355 | // If we get here, we have an error and a message. |
| 356 | // |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 357 | if (symNode) { |
| 358 | std::stringstream extraInfoStream; |
| 359 | extraInfoStream << "\"" << symbol << "\" (" << message << ")"; |
| 360 | std::string extraInfo = extraInfoStream.str(); |
| 361 | error(line, " l-value required", op, extraInfo.c_str()); |
| 362 | } |
| 363 | else { |
| 364 | std::stringstream extraInfoStream; |
| 365 | extraInfoStream << "(" << message << ")"; |
| 366 | std::string extraInfo = extraInfoStream.str(); |
| 367 | error(line, " l-value required", op, extraInfo.c_str()); |
| 368 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 369 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 370 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | // |
| 374 | // Both test, and if necessary spit out an error, to see if the node is really |
| 375 | // a constant. |
| 376 | // |
| 377 | // Returns true if the was an error. |
| 378 | // |
| 379 | bool TParseContext::constErrorCheck(TIntermTyped* node) |
| 380 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 381 | if (node->getQualifier() == EvqConst) |
| 382 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 383 | |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 384 | error(node->getLine(), "constant expression required", ""); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 385 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 386 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | // |
| 390 | // Both test, and if necessary spit out an error, to see if the node is really |
| 391 | // an integer. |
| 392 | // |
| 393 | // Returns true if the was an error. |
| 394 | // |
| 395 | bool TParseContext::integerErrorCheck(TIntermTyped* node, const char* token) |
| 396 | { |
shannonwoods@chromium.org | 6b70991 | 2013-05-30 00:20:04 +0000 | [diff] [blame] | 397 | if (node->isScalarInt()) |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 398 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 399 | |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 400 | error(node->getLine(), "integer expression required", token); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 401 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 402 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | // |
| 406 | // Both test, and if necessary spit out an error, to see if we are currently |
| 407 | // globally scoped. |
| 408 | // |
| 409 | // Returns true if the was an error. |
| 410 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 411 | bool TParseContext::globalErrorCheck(const TSourceLoc& line, bool global, const char* token) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 412 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 413 | if (global) |
| 414 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 415 | |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 416 | error(line, "only allowed at global scope", token); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 417 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 418 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | // |
| 422 | // For now, keep it simple: if it starts "gl_", it's reserved, independent |
| 423 | // of scope. Except, if the symbol table is at the built-in push-level, |
| 424 | // which is when we are parsing built-ins. |
alokp@chromium.org | 613ef31 | 2010-07-21 18:54:22 +0000 | [diff] [blame] | 425 | // Also checks for "webgl_" and "_webgl_" reserved identifiers if parsing a |
| 426 | // webgl shader. |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 427 | // |
| 428 | // Returns true if there was an error. |
| 429 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 430 | bool TParseContext::reservedErrorCheck(const TSourceLoc& line, const TString& identifier) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 431 | { |
alokp@chromium.org | 613ef31 | 2010-07-21 18:54:22 +0000 | [diff] [blame] | 432 | static const char* reservedErrMsg = "reserved built-in name"; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 433 | if (!symbolTable.atBuiltInLevel()) { |
daniel@transgaming.com | 51db7fb | 2011-09-20 16:11:06 +0000 | [diff] [blame] | 434 | if (identifier.compare(0, 3, "gl_") == 0) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 435 | error(line, reservedErrMsg, "gl_"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 436 | return true; |
| 437 | } |
Jamie Madill | 5508f39 | 2014-02-20 13:31:36 -0500 | [diff] [blame] | 438 | if (IsWebGLBasedSpec(shaderSpec)) { |
daniel@transgaming.com | 51db7fb | 2011-09-20 16:11:06 +0000 | [diff] [blame] | 439 | if (identifier.compare(0, 6, "webgl_") == 0) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 440 | error(line, reservedErrMsg, "webgl_"); |
alokp@chromium.org | 613ef31 | 2010-07-21 18:54:22 +0000 | [diff] [blame] | 441 | return true; |
| 442 | } |
daniel@transgaming.com | 51db7fb | 2011-09-20 16:11:06 +0000 | [diff] [blame] | 443 | if (identifier.compare(0, 7, "_webgl_") == 0) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 444 | error(line, reservedErrMsg, "_webgl_"); |
alokp@chromium.org | 613ef31 | 2010-07-21 18:54:22 +0000 | [diff] [blame] | 445 | return true; |
| 446 | } |
maxvujovic@gmail.com | 430f5e0 | 2012-06-08 17:47:59 +0000 | [diff] [blame] | 447 | if (shaderSpec == SH_CSS_SHADERS_SPEC && identifier.compare(0, 4, "css_") == 0) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 448 | error(line, reservedErrMsg, "css_"); |
maxvujovic@gmail.com | 430f5e0 | 2012-06-08 17:47:59 +0000 | [diff] [blame] | 449 | return true; |
| 450 | } |
alokp@chromium.org | 613ef31 | 2010-07-21 18:54:22 +0000 | [diff] [blame] | 451 | } |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 452 | if (identifier.find("__") != TString::npos) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 453 | error(line, "identifiers containing two consecutive underscores (__) are reserved as possible future keywords", identifier.c_str()); |
daniel@transgaming.com | beadd5d | 2012-04-12 02:35:31 +0000 | [diff] [blame] | 454 | return true; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 455 | } |
| 456 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 457 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 458 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | // |
| 462 | // Make sure there is enough data provided to the constructor to build |
| 463 | // something of the type of the constructor. Also returns the type of |
| 464 | // the constructor. |
| 465 | // |
| 466 | // Returns true if there was an error in construction. |
| 467 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 468 | bool TParseContext::constructorErrorCheck(const TSourceLoc& line, TIntermNode* node, TFunction& function, TOperator op, TType* type) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 469 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 470 | *type = function.getReturnType(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 471 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 472 | bool constructingMatrix = false; |
| 473 | switch(op) { |
| 474 | case EOpConstructMat2: |
| 475 | case EOpConstructMat3: |
| 476 | case EOpConstructMat4: |
| 477 | constructingMatrix = true; |
| 478 | break; |
| 479 | default: |
| 480 | break; |
| 481 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 482 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 483 | // |
| 484 | // Note: It's okay to have too many components available, but not okay to have unused |
| 485 | // arguments. 'full' will go to true when enough args have been seen. If we loop |
| 486 | // again, there is an extra argument, so 'overfull' will become true. |
| 487 | // |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 488 | |
Jamie Madill | 94bf7f2 | 2013-07-08 13:31:15 -0400 | [diff] [blame] | 489 | size_t size = 0; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 490 | bool constType = true; |
| 491 | bool full = false; |
| 492 | bool overFull = false; |
| 493 | bool matrixInMatrix = false; |
| 494 | bool arrayArg = false; |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 495 | for (size_t i = 0; i < function.getParamCount(); ++i) { |
alokp@chromium.org | b19403a | 2010-09-08 17:56:26 +0000 | [diff] [blame] | 496 | const TParameter& param = function.getParam(i); |
| 497 | size += param.type->getObjectSize(); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 498 | |
alokp@chromium.org | b19403a | 2010-09-08 17:56:26 +0000 | [diff] [blame] | 499 | if (constructingMatrix && param.type->isMatrix()) |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 500 | matrixInMatrix = true; |
| 501 | if (full) |
| 502 | overFull = true; |
| 503 | if (op != EOpConstructStruct && !type->isArray() && size >= type->getObjectSize()) |
| 504 | full = true; |
alokp@chromium.org | b19403a | 2010-09-08 17:56:26 +0000 | [diff] [blame] | 505 | if (param.type->getQualifier() != EvqConst) |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 506 | constType = false; |
alokp@chromium.org | b19403a | 2010-09-08 17:56:26 +0000 | [diff] [blame] | 507 | if (param.type->isArray()) |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 508 | arrayArg = true; |
| 509 | } |
| 510 | |
| 511 | if (constType) |
alokp@chromium.org | 58e5429 | 2010-08-24 21:40:03 +0000 | [diff] [blame] | 512 | type->setQualifier(EvqConst); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 513 | |
shannon.woods@transgaming.com | 18bd2ec | 2013-02-28 23:19:46 +0000 | [diff] [blame] | 514 | if (type->isArray() && static_cast<size_t>(type->getArraySize()) != function.getParamCount()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 515 | error(line, "array constructor needs one argument per array element", "constructor"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 516 | return true; |
| 517 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 518 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 519 | if (arrayArg && op != EOpConstructStruct) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 520 | error(line, "constructing from a non-dereferenced array", "constructor"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 521 | return true; |
| 522 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 523 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 524 | if (matrixInMatrix && !type->isArray()) { |
daniel@transgaming.com | bef0b6d | 2010-04-29 03:32:39 +0000 | [diff] [blame] | 525 | if (function.getParamCount() != 1) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 526 | error(line, "constructing matrix from matrix can only take one argument", "constructor"); |
daniel@transgaming.com | bef0b6d | 2010-04-29 03:32:39 +0000 | [diff] [blame] | 527 | return true; |
| 528 | } |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 529 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 530 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 531 | if (overFull) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 532 | error(line, "too many arguments", "constructor"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 533 | return true; |
| 534 | } |
| 535 | |
Brendan Long | eaa8406 | 2013-12-08 18:26:50 +0100 | [diff] [blame] | 536 | if (op == EOpConstructStruct && !type->isArray() && type->getStruct()->fields().size() != function.getParamCount()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 537 | error(line, "Number of constructor parameters does not match the number of structure fields", "constructor"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 538 | return true; |
| 539 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 540 | |
daniel@transgaming.com | 67d7252 | 2011-11-29 17:23:51 +0000 | [diff] [blame] | 541 | if (!type->isMatrix() || !matrixInMatrix) { |
daniel@transgaming.com | bef0b6d | 2010-04-29 03:32:39 +0000 | [diff] [blame] | 542 | if ((op != EOpConstructStruct && size != 1 && size < type->getObjectSize()) || |
| 543 | (op == EOpConstructStruct && size < type->getObjectSize())) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 544 | error(line, "not enough data provided for construction", "constructor"); |
daniel@transgaming.com | bef0b6d | 2010-04-29 03:32:39 +0000 | [diff] [blame] | 545 | return true; |
| 546 | } |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 547 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 548 | |
daniel@transgaming.com | 0b53fc0 | 2011-03-09 15:12:12 +0000 | [diff] [blame] | 549 | TIntermTyped *typed = node ? node->getAsTyped() : 0; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 550 | if (typed == 0) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 551 | error(line, "constructor argument does not have a type", "constructor"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 552 | return true; |
| 553 | } |
| 554 | if (op != EOpConstructStruct && IsSampler(typed->getBasicType())) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 555 | error(line, "cannot convert a sampler", "constructor"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 556 | return true; |
| 557 | } |
| 558 | if (typed->getBasicType() == EbtVoid) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 559 | error(line, "cannot convert a void", "constructor"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 560 | return true; |
| 561 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 562 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 563 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | // This function checks to see if a void variable has been declared and raise an error message for such a case |
| 567 | // |
| 568 | // returns true in case of an error |
| 569 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 570 | bool TParseContext::voidErrorCheck(const TSourceLoc& line, const TString& identifier, const TPublicType& pubType) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 571 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 572 | if (pubType.type == EbtVoid) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 573 | error(line, "illegal use of type 'void'", identifier.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 574 | return true; |
| 575 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 576 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 577 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 578 | } |
| 579 | |
| 580 | // This function checks to see if the node (for the expression) contains a scalar boolean expression or not |
| 581 | // |
| 582 | // returns true in case of an error |
| 583 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 584 | bool TParseContext::boolErrorCheck(const TSourceLoc& line, const TIntermTyped* type) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 585 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 586 | if (type->getBasicType() != EbtBool || type->isArray() || type->isMatrix() || type->isVector()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 587 | error(line, "boolean expression expected", ""); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 588 | return true; |
| 589 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 590 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 591 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 592 | } |
| 593 | |
| 594 | // This function checks to see if the node (for the expression) contains a scalar boolean expression or not |
| 595 | // |
| 596 | // returns true in case of an error |
| 597 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 598 | bool TParseContext::boolErrorCheck(const TSourceLoc& line, const TPublicType& pType) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 599 | { |
shannonwoods@chromium.org | 09e0988 | 2013-05-30 00:18:25 +0000 | [diff] [blame] | 600 | if (pType.type != EbtBool || pType.isAggregate()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 601 | error(line, "boolean expression expected", ""); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 602 | return true; |
| 603 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 604 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 605 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 606 | } |
| 607 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 608 | bool TParseContext::samplerErrorCheck(const TSourceLoc& line, const TPublicType& pType, const char* reason) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 609 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 610 | if (pType.type == EbtStruct) { |
| 611 | if (containsSampler(*pType.userDef)) { |
alokp@chromium.org | 58e5429 | 2010-08-24 21:40:03 +0000 | [diff] [blame] | 612 | error(line, reason, getBasicString(pType.type), "(structure contains a sampler)"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 613 | |
| 614 | return true; |
| 615 | } |
| 616 | |
| 617 | return false; |
| 618 | } else if (IsSampler(pType.type)) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 619 | error(line, reason, getBasicString(pType.type)); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 620 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 621 | return true; |
| 622 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 623 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 624 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 625 | } |
| 626 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 627 | bool TParseContext::structQualifierErrorCheck(const TSourceLoc& line, const TPublicType& pType) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 628 | { |
Jamie Madill | b120eac | 2013-06-12 14:08:13 -0400 | [diff] [blame] | 629 | switch (pType.qualifier) |
| 630 | { |
| 631 | case EvqVaryingIn: |
| 632 | case EvqVaryingOut: |
| 633 | case EvqAttribute: |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 634 | case EvqVertexIn: |
| 635 | case EvqFragmentOut: |
Jamie Madill | b120eac | 2013-06-12 14:08:13 -0400 | [diff] [blame] | 636 | if (pType.type == EbtStruct) |
| 637 | { |
| 638 | error(line, "cannot be used with a structure", getQualifierString(pType.qualifier)); |
| 639 | return true; |
| 640 | } |
Jamie Madill | 1056726 | 2014-04-17 16:40:00 -0400 | [diff] [blame] | 641 | |
| 642 | default: break; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 643 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 644 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 645 | if (pType.qualifier != EvqUniform && samplerErrorCheck(line, pType, "samplers must be uniform")) |
| 646 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 647 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 648 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 649 | } |
| 650 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 651 | bool TParseContext::locationDeclaratorListCheck(const TSourceLoc& line, const TPublicType &pType) |
Jamie Madill | 0bd18df | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 652 | { |
| 653 | if (pType.layoutQualifier.location != -1) |
| 654 | { |
| 655 | error(line, "location must only be specified for a single input or output variable", "location"); |
| 656 | return true; |
| 657 | } |
| 658 | |
| 659 | return false; |
| 660 | } |
| 661 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 662 | bool TParseContext::parameterSamplerErrorCheck(const TSourceLoc& line, TQualifier qualifier, const TType& type) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 663 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 664 | if ((qualifier == EvqOut || qualifier == EvqInOut) && |
| 665 | type.getBasicType() != EbtStruct && IsSampler(type.getBasicType())) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 666 | error(line, "samplers cannot be output parameters", type.getBasicString()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 667 | return true; |
| 668 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 669 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 670 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 671 | } |
| 672 | |
| 673 | bool TParseContext::containsSampler(TType& type) |
| 674 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 675 | if (IsSampler(type.getBasicType())) |
| 676 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 677 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 678 | if (type.getBasicType() == EbtStruct || type.isInterfaceBlock()) { |
| 679 | const TFieldList& fields = type.getStruct()->fields(); |
| 680 | for (unsigned int i = 0; i < fields.size(); ++i) { |
| 681 | if (containsSampler(*fields[i]->type())) |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 682 | return true; |
| 683 | } |
| 684 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 685 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 686 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 687 | } |
| 688 | |
| 689 | // |
| 690 | // Do size checking for an array type's size. |
| 691 | // |
| 692 | // Returns true if there was an error. |
| 693 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 694 | bool TParseContext::arraySizeErrorCheck(const TSourceLoc& line, TIntermTyped* expr, int& size) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 695 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 696 | TIntermConstantUnion* constant = expr->getAsConstantUnion(); |
shannonwoods@chromium.org | 6b70991 | 2013-05-30 00:20:04 +0000 | [diff] [blame] | 697 | |
| 698 | if (constant == 0 || !constant->isScalarInt()) |
| 699 | { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 700 | error(line, "array size must be a constant integer expression", ""); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 701 | return true; |
| 702 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 703 | |
Nicolas Capens | a1bb2d5 | 2014-06-06 15:18:07 -0400 | [diff] [blame] | 704 | unsigned int unsignedSize = 0; |
| 705 | |
shannonwoods@chromium.org | 6b70991 | 2013-05-30 00:20:04 +0000 | [diff] [blame] | 706 | if (constant->getBasicType() == EbtUInt) |
| 707 | { |
Nicolas Capens | a1bb2d5 | 2014-06-06 15:18:07 -0400 | [diff] [blame] | 708 | unsignedSize = constant->getUConst(0); |
| 709 | size = static_cast<int>(unsignedSize); |
shannonwoods@chromium.org | 6b70991 | 2013-05-30 00:20:04 +0000 | [diff] [blame] | 710 | } |
| 711 | else |
| 712 | { |
| 713 | size = constant->getIConst(0); |
| 714 | |
Nicolas Capens | a1bb2d5 | 2014-06-06 15:18:07 -0400 | [diff] [blame] | 715 | if (size < 0) |
shannonwoods@chromium.org | 6b70991 | 2013-05-30 00:20:04 +0000 | [diff] [blame] | 716 | { |
Nicolas Capens | a1bb2d5 | 2014-06-06 15:18:07 -0400 | [diff] [blame] | 717 | error(line, "array size must be non-negative", ""); |
shannonwoods@chromium.org | 6b70991 | 2013-05-30 00:20:04 +0000 | [diff] [blame] | 718 | size = 1; |
| 719 | return true; |
| 720 | } |
Nicolas Capens | a1bb2d5 | 2014-06-06 15:18:07 -0400 | [diff] [blame] | 721 | |
| 722 | unsignedSize = static_cast<unsigned int>(size); |
| 723 | } |
| 724 | |
| 725 | if (size == 0) |
| 726 | { |
| 727 | error(line, "array size must be greater than zero", ""); |
| 728 | size = 1; |
| 729 | return true; |
| 730 | } |
| 731 | |
| 732 | // The size of arrays is restricted here to prevent issues further down the |
| 733 | // compiler/translator/driver stack. Shader Model 5 generation hardware is limited to |
| 734 | // 4096 registers so this should be reasonable even for aggressively optimizable code. |
| 735 | const unsigned int sizeLimit = 65536; |
| 736 | |
| 737 | if (unsignedSize > sizeLimit) |
| 738 | { |
| 739 | error(line, "array size too large", ""); |
| 740 | size = 1; |
| 741 | return true; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 742 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 743 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 744 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 745 | } |
| 746 | |
| 747 | // |
| 748 | // See if this qualifier can be an array. |
| 749 | // |
| 750 | // Returns true if there is an error. |
| 751 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 752 | bool TParseContext::arrayQualifierErrorCheck(const TSourceLoc& line, TPublicType type) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 753 | { |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 754 | if ((type.qualifier == EvqAttribute) || (type.qualifier == EvqVertexIn) || (type.qualifier == EvqConst)) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 755 | error(line, "cannot declare arrays of this qualifier", TType(type).getCompleteString().c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 756 | return true; |
| 757 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 758 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 759 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 760 | } |
| 761 | |
| 762 | // |
| 763 | // See if this type can be an array. |
| 764 | // |
| 765 | // Returns true if there is an error. |
| 766 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 767 | bool TParseContext::arrayTypeErrorCheck(const TSourceLoc& line, TPublicType type) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 768 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 769 | // |
| 770 | // Can the type be an array? |
| 771 | // |
| 772 | if (type.array) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 773 | error(line, "cannot declare arrays of arrays", TType(type).getCompleteString().c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 774 | return true; |
| 775 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 776 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 777 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 778 | } |
| 779 | |
| 780 | // |
| 781 | // Do all the semantic checking for declaring an array, with and |
| 782 | // without a size, and make the right changes to the symbol table. |
| 783 | // |
| 784 | // size == 0 means no specified size. |
| 785 | // |
| 786 | // Returns true if there was an error. |
| 787 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 788 | bool TParseContext::arrayErrorCheck(const TSourceLoc& line, const TString& identifier, const TPublicType &type, TVariable*& variable) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 789 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 790 | // |
| 791 | // Don't check for reserved word use until after we know it's not in the symbol table, |
| 792 | // because reserved arrays can be redeclared. |
| 793 | // |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 794 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 795 | bool builtIn = false; |
| 796 | bool sameScope = false; |
shannonwoods@chromium.org | 96e7ba1 | 2013-05-30 00:02:41 +0000 | [diff] [blame] | 797 | TSymbol* symbol = symbolTable.find(identifier, 0, &builtIn, &sameScope); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 798 | if (symbol == 0 || !sameScope) { |
| 799 | if (reservedErrorCheck(line, identifier)) |
| 800 | return true; |
| 801 | |
| 802 | variable = new TVariable(&identifier, TType(type)); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 803 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 804 | if (type.arraySize) |
| 805 | variable->getType().setArraySize(type.arraySize); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 806 | |
shannonwoods@chromium.org | 1c84809 | 2013-05-30 00:02:34 +0000 | [diff] [blame] | 807 | if (! symbolTable.declare(*variable)) { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 808 | delete variable; |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 809 | error(line, "INTERNAL ERROR inserting new symbol", identifier.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 810 | return true; |
| 811 | } |
| 812 | } else { |
| 813 | if (! symbol->isVariable()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 814 | error(line, "variable expected", identifier.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 815 | return true; |
| 816 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 817 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 818 | variable = static_cast<TVariable*>(symbol); |
| 819 | if (! variable->getType().isArray()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 820 | error(line, "redeclaring non-array as array", identifier.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 821 | return true; |
| 822 | } |
| 823 | if (variable->getType().getArraySize() > 0) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 824 | error(line, "redeclaration of array with size", identifier.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 825 | return true; |
| 826 | } |
| 827 | |
| 828 | if (! variable->getType().sameElementType(TType(type))) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 829 | error(line, "redeclaration of array with a different type", identifier.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 830 | return true; |
| 831 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 832 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 833 | if (type.arraySize) |
| 834 | variable->getType().setArraySize(type.arraySize); |
| 835 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 836 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 837 | if (voidErrorCheck(line, identifier, type)) |
| 838 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 839 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 840 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 841 | } |
| 842 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 843 | // |
| 844 | // Enforce non-initializer type/qualifier rules. |
| 845 | // |
| 846 | // Returns true if there was an error. |
| 847 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 848 | bool TParseContext::nonInitConstErrorCheck(const TSourceLoc& line, const TString& identifier, TPublicType& type, bool array) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 849 | { |
daniel@transgaming.com | 8abd0b7 | 2012-09-27 17:46:07 +0000 | [diff] [blame] | 850 | if (type.qualifier == EvqConst) |
| 851 | { |
| 852 | // Make the qualifier make sense. |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 853 | type.qualifier = EvqTemporary; |
daniel@transgaming.com | 8abd0b7 | 2012-09-27 17:46:07 +0000 | [diff] [blame] | 854 | |
| 855 | if (array) |
| 856 | { |
| 857 | error(line, "arrays may not be declared constant since they cannot be initialized", identifier.c_str()); |
| 858 | } |
| 859 | else if (type.isStructureContainingArrays()) |
| 860 | { |
| 861 | error(line, "structures containing arrays may not be declared constant since they cannot be initialized", identifier.c_str()); |
| 862 | } |
| 863 | else |
| 864 | { |
| 865 | error(line, "variables with qualifier 'const' must be initialized", identifier.c_str()); |
| 866 | } |
| 867 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 868 | return true; |
| 869 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 870 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 871 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 872 | } |
| 873 | |
| 874 | // |
| 875 | // Do semantic checking for a variable declaration that has no initializer, |
| 876 | // and update the symbol table. |
| 877 | // |
| 878 | // Returns true if there was an error. |
| 879 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 880 | bool TParseContext::nonInitErrorCheck(const TSourceLoc& line, const TString& identifier, const TPublicType& type, TVariable*& variable) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 881 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 882 | if (reservedErrorCheck(line, identifier)) |
| 883 | recover(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 884 | |
zmo@google.com | fd747b8 | 2011-04-23 01:30:07 +0000 | [diff] [blame] | 885 | variable = new TVariable(&identifier, TType(type)); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 886 | |
shannonwoods@chromium.org | 1c84809 | 2013-05-30 00:02:34 +0000 | [diff] [blame] | 887 | if (! symbolTable.declare(*variable)) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 888 | error(line, "redefinition", variable->getName().c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 889 | delete variable; |
zmo@google.com | fd747b8 | 2011-04-23 01:30:07 +0000 | [diff] [blame] | 890 | variable = 0; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 891 | return true; |
| 892 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 893 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 894 | if (voidErrorCheck(line, identifier, type)) |
| 895 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 896 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 897 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 898 | } |
| 899 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 900 | bool TParseContext::paramErrorCheck(const TSourceLoc& line, TQualifier qualifier, TQualifier paramQualifier, TType* type) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 901 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 902 | if (qualifier != EvqConst && qualifier != EvqTemporary) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 903 | error(line, "qualifier not allowed on function parameter", getQualifierString(qualifier)); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 904 | return true; |
| 905 | } |
| 906 | if (qualifier == EvqConst && paramQualifier != EvqIn) { |
| 907 | error(line, "qualifier not allowed with ", getQualifierString(qualifier), getQualifierString(paramQualifier)); |
| 908 | return true; |
| 909 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 910 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 911 | if (qualifier == EvqConst) |
alokp@chromium.org | 58e5429 | 2010-08-24 21:40:03 +0000 | [diff] [blame] | 912 | type->setQualifier(EvqConstReadOnly); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 913 | else |
alokp@chromium.org | 58e5429 | 2010-08-24 21:40:03 +0000 | [diff] [blame] | 914 | type->setQualifier(paramQualifier); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 915 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 916 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 917 | } |
| 918 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 919 | bool TParseContext::extensionErrorCheck(const TSourceLoc& line, const TString& extension) |
alokp@chromium.org | 8815d7f | 2010-09-09 17:30:03 +0000 | [diff] [blame] | 920 | { |
alokp@chromium.org | 73bc298 | 2012-06-19 18:48:05 +0000 | [diff] [blame] | 921 | const TExtensionBehavior& extBehavior = extensionBehavior(); |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 922 | TExtensionBehavior::const_iterator iter = extBehavior.find(extension.c_str()); |
| 923 | if (iter == extBehavior.end()) { |
alokp@chromium.org | 8815d7f | 2010-09-09 17:30:03 +0000 | [diff] [blame] | 924 | error(line, "extension", extension.c_str(), "is not supported"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 925 | return true; |
| 926 | } |
zmo@google.com | f545091 | 2011-09-09 01:37:19 +0000 | [diff] [blame] | 927 | // In GLSL ES, an extension's default behavior is "disable". |
| 928 | if (iter->second == EBhDisable || iter->second == EBhUndefined) { |
alokp@chromium.org | 8815d7f | 2010-09-09 17:30:03 +0000 | [diff] [blame] | 929 | error(line, "extension", extension.c_str(), "is disabled"); |
| 930 | return true; |
| 931 | } |
| 932 | if (iter->second == EBhWarn) { |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 933 | warning(line, "extension", extension.c_str(), "is being used"); |
alokp@chromium.org | 8815d7f | 2010-09-09 17:30:03 +0000 | [diff] [blame] | 934 | return false; |
| 935 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 936 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 937 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 938 | } |
| 939 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 940 | bool TParseContext::singleDeclarationErrorCheck(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier) |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 941 | { |
| 942 | if (structQualifierErrorCheck(identifierLocation, publicType)) |
| 943 | return true; |
| 944 | |
| 945 | // check for layout qualifier issues |
| 946 | const TLayoutQualifier layoutQualifier = publicType.layoutQualifier; |
| 947 | |
| 948 | if (layoutQualifier.matrixPacking != EmpUnspecified) |
| 949 | { |
| 950 | error(identifierLocation, "layout qualifier", getMatrixPackingString(layoutQualifier.matrixPacking), "only valid for interface blocks"); |
Jamie Madill | 51a53c7 | 2013-06-19 09:24:43 -0400 | [diff] [blame] | 951 | return true; |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 952 | } |
| 953 | |
| 954 | if (layoutQualifier.blockStorage != EbsUnspecified) |
| 955 | { |
| 956 | error(identifierLocation, "layout qualifier", getBlockStorageString(layoutQualifier.blockStorage), "only valid for interface blocks"); |
Jamie Madill | 51a53c7 | 2013-06-19 09:24:43 -0400 | [diff] [blame] | 957 | return true; |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 958 | } |
| 959 | |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 960 | if (publicType.qualifier != EvqVertexIn && publicType.qualifier != EvqFragmentOut && layoutLocationErrorCheck(identifierLocation, publicType.layoutQualifier)) |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 961 | { |
Jamie Madill | 51a53c7 | 2013-06-19 09:24:43 -0400 | [diff] [blame] | 962 | return true; |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 963 | } |
| 964 | |
| 965 | return false; |
| 966 | } |
| 967 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 968 | bool TParseContext::layoutLocationErrorCheck(const TSourceLoc& location, const TLayoutQualifier &layoutQualifier) |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 969 | { |
| 970 | if (layoutQualifier.location != -1) |
| 971 | { |
| 972 | error(location, "invalid layout qualifier:", "location", "only valid on program inputs and outputs"); |
| 973 | return true; |
| 974 | } |
| 975 | |
| 976 | return false; |
| 977 | } |
| 978 | |
zmo@google.com | 09c323a | 2011-08-12 18:22:25 +0000 | [diff] [blame] | 979 | bool TParseContext::supportsExtension(const char* extension) |
| 980 | { |
alokp@chromium.org | 73bc298 | 2012-06-19 18:48:05 +0000 | [diff] [blame] | 981 | const TExtensionBehavior& extbehavior = extensionBehavior(); |
| 982 | TExtensionBehavior::const_iterator iter = extbehavior.find(extension); |
| 983 | return (iter != extbehavior.end()); |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 984 | } |
| 985 | |
Jamie Madill | 5d287f5 | 2013-07-12 15:38:19 -0400 | [diff] [blame] | 986 | bool TParseContext::isExtensionEnabled(const char* extension) const |
| 987 | { |
| 988 | const TExtensionBehavior& extbehavior = extensionBehavior(); |
Shannon Woods | a49a9bf | 2013-08-02 17:23:14 -0400 | [diff] [blame] | 989 | TExtensionBehavior::const_iterator iter = extbehavior.find(extension); |
Jamie Madill | 5d287f5 | 2013-07-12 15:38:19 -0400 | [diff] [blame] | 990 | |
| 991 | if (iter == extbehavior.end()) |
| 992 | { |
| 993 | return false; |
| 994 | } |
| 995 | |
| 996 | return (iter->second == EBhEnable || iter->second == EBhRequire); |
| 997 | } |
| 998 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 999 | void TParseContext::handleExtensionDirective(const TSourceLoc& loc, const char* extName, const char* behavior) |
| 1000 | { |
| 1001 | pp::SourceLocation srcLoc; |
| 1002 | srcLoc.file = loc.first_file; |
| 1003 | srcLoc.line = loc.first_line; |
| 1004 | directiveHandler.handleExtension(srcLoc, extName, behavior); |
| 1005 | } |
| 1006 | |
| 1007 | void TParseContext::handlePragmaDirective(const TSourceLoc& loc, const char* name, const char* value) |
| 1008 | { |
| 1009 | pp::SourceLocation srcLoc; |
| 1010 | srcLoc.file = loc.first_file; |
| 1011 | srcLoc.line = loc.first_line; |
| 1012 | directiveHandler.handlePragma(srcLoc, name, value); |
| 1013 | } |
| 1014 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1015 | ///////////////////////////////////////////////////////////////////////////////// |
| 1016 | // |
| 1017 | // Non-Errors. |
| 1018 | // |
| 1019 | ///////////////////////////////////////////////////////////////////////////////// |
| 1020 | |
| 1021 | // |
| 1022 | // Look up a function name in the symbol table, and make sure it is a function. |
| 1023 | // |
| 1024 | // Return the function symbol if found, otherwise 0. |
| 1025 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1026 | const TFunction* TParseContext::findFunction(const TSourceLoc& line, TFunction* call, int shaderVersion, bool *builtIn) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1027 | { |
alokp@chromium.org | 0a57618 | 2010-08-09 17:16:27 +0000 | [diff] [blame] | 1028 | // First find by unmangled name to check whether the function name has been |
| 1029 | // hidden by a variable name or struct typename. |
Nicolas Capens | d4a9b8d | 2013-07-18 11:01:22 -0400 | [diff] [blame] | 1030 | // If a function is found, check for one with a matching argument list. |
shannonwoods@chromium.org | 96e7ba1 | 2013-05-30 00:02:41 +0000 | [diff] [blame] | 1031 | const TSymbol* symbol = symbolTable.find(call->getName(), shaderVersion, builtIn); |
Nicolas Capens | d4a9b8d | 2013-07-18 11:01:22 -0400 | [diff] [blame] | 1032 | if (symbol == 0 || symbol->isFunction()) { |
shannonwoods@chromium.org | 96e7ba1 | 2013-05-30 00:02:41 +0000 | [diff] [blame] | 1033 | symbol = symbolTable.find(call->getMangledName(), shaderVersion, builtIn); |
alokp@chromium.org | 0a57618 | 2010-08-09 17:16:27 +0000 | [diff] [blame] | 1034 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1035 | |
alokp@chromium.org | 0a57618 | 2010-08-09 17:16:27 +0000 | [diff] [blame] | 1036 | if (symbol == 0) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1037 | error(line, "no matching overloaded function found", call->getName().c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1038 | return 0; |
| 1039 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1040 | |
alokp@chromium.org | 0a57618 | 2010-08-09 17:16:27 +0000 | [diff] [blame] | 1041 | if (!symbol->isFunction()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1042 | error(line, "function name expected", call->getName().c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1043 | return 0; |
| 1044 | } |
alokp@chromium.org | 0a57618 | 2010-08-09 17:16:27 +0000 | [diff] [blame] | 1045 | |
| 1046 | return static_cast<const TFunction*>(symbol); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1047 | } |
| 1048 | |
| 1049 | // |
| 1050 | // Initializers show up in several places in the grammar. Have one set of |
| 1051 | // code to handle them here. |
| 1052 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1053 | bool TParseContext::executeInitializer(const TSourceLoc& line, const TString& identifier, TPublicType& pType, |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1054 | TIntermTyped* initializer, TIntermNode*& intermNode, TVariable* variable) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1055 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1056 | TType type = TType(pType); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1057 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1058 | if (variable == 0) { |
| 1059 | if (reservedErrorCheck(line, identifier)) |
| 1060 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1061 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1062 | if (voidErrorCheck(line, identifier, pType)) |
| 1063 | return true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1064 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1065 | // |
| 1066 | // add variable to symbol table |
| 1067 | // |
| 1068 | variable = new TVariable(&identifier, type); |
shannonwoods@chromium.org | 1c84809 | 2013-05-30 00:02:34 +0000 | [diff] [blame] | 1069 | if (! symbolTable.declare(*variable)) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1070 | error(line, "redefinition", variable->getName().c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1071 | return true; |
| 1072 | // don't delete variable, it's used by error recovery, and the pool |
| 1073 | // pop will take care of the memory |
| 1074 | } |
| 1075 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1076 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1077 | // |
| 1078 | // identifier must be of type constant, a global, or a temporary |
| 1079 | // |
| 1080 | TQualifier qualifier = variable->getType().getQualifier(); |
| 1081 | if ((qualifier != EvqTemporary) && (qualifier != EvqGlobal) && (qualifier != EvqConst)) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1082 | error(line, " cannot initialize this type of qualifier ", variable->getType().getQualifierString()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1083 | return true; |
| 1084 | } |
| 1085 | // |
| 1086 | // test for and propagate constant |
| 1087 | // |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1088 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1089 | if (qualifier == EvqConst) { |
| 1090 | if (qualifier != initializer->getType().getQualifier()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1091 | std::stringstream extraInfoStream; |
| 1092 | extraInfoStream << "'" << variable->getType().getCompleteString() << "'"; |
| 1093 | std::string extraInfo = extraInfoStream.str(); |
| 1094 | error(line, " assigning non-constant to", "=", extraInfo.c_str()); |
alokp@chromium.org | 58e5429 | 2010-08-24 21:40:03 +0000 | [diff] [blame] | 1095 | variable->getType().setQualifier(EvqTemporary); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1096 | return true; |
| 1097 | } |
| 1098 | if (type != initializer->getType()) { |
| 1099 | error(line, " non-matching types for const initializer ", |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1100 | variable->getType().getQualifierString()); |
alokp@chromium.org | 58e5429 | 2010-08-24 21:40:03 +0000 | [diff] [blame] | 1101 | variable->getType().setQualifier(EvqTemporary); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1102 | return true; |
| 1103 | } |
| 1104 | if (initializer->getAsConstantUnion()) { |
Jamie Madill | 94bf7f2 | 2013-07-08 13:31:15 -0400 | [diff] [blame] | 1105 | variable->shareConstPointer(initializer->getAsConstantUnion()->getUnionArrayPointer()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1106 | } else if (initializer->getAsSymbolNode()) { |
shannonwoods@chromium.org | 96e7ba1 | 2013-05-30 00:02:41 +0000 | [diff] [blame] | 1107 | const TSymbol* symbol = symbolTable.find(initializer->getAsSymbolNode()->getSymbol(), 0); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1108 | const TVariable* tVar = static_cast<const TVariable*>(symbol); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1109 | |
alokp@chromium.org | 6ff56fd | 2010-05-05 16:37:50 +0000 | [diff] [blame] | 1110 | ConstantUnion* constArray = tVar->getConstPointer(); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1111 | variable->shareConstPointer(constArray); |
| 1112 | } else { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1113 | std::stringstream extraInfoStream; |
| 1114 | extraInfoStream << "'" << variable->getType().getCompleteString() << "'"; |
| 1115 | std::string extraInfo = extraInfoStream.str(); |
| 1116 | error(line, " cannot assign to", "=", extraInfo.c_str()); |
alokp@chromium.org | 58e5429 | 2010-08-24 21:40:03 +0000 | [diff] [blame] | 1117 | variable->getType().setQualifier(EvqTemporary); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1118 | return true; |
| 1119 | } |
| 1120 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1121 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1122 | if (qualifier != EvqConst) { |
| 1123 | TIntermSymbol* intermSymbol = intermediate.addSymbol(variable->getUniqueId(), variable->getName(), variable->getType(), line); |
| 1124 | intermNode = intermediate.addAssign(EOpInitialize, intermSymbol, initializer, line); |
| 1125 | if (intermNode == 0) { |
| 1126 | assignError(line, "=", intermSymbol->getCompleteString(), initializer->getCompleteString()); |
| 1127 | return true; |
| 1128 | } |
| 1129 | } else |
| 1130 | intermNode = 0; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1131 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1132 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1133 | } |
| 1134 | |
| 1135 | bool TParseContext::areAllChildConst(TIntermAggregate* aggrNode) |
| 1136 | { |
alokp@chromium.org | d300f5b | 2010-10-14 16:10:20 +0000 | [diff] [blame] | 1137 | ASSERT(aggrNode != NULL); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1138 | if (!aggrNode->isConstructor()) |
| 1139 | return false; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1140 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1141 | bool allConstant = true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1142 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1143 | // check if all the child nodes are constants so that they can be inserted into |
| 1144 | // the parent node |
alokp@chromium.org | d300f5b | 2010-10-14 16:10:20 +0000 | [diff] [blame] | 1145 | TIntermSequence &sequence = aggrNode->getSequence() ; |
| 1146 | for (TIntermSequence::iterator p = sequence.begin(); p != sequence.end(); ++p) { |
| 1147 | if (!(*p)->getAsTyped()->getAsConstantUnion()) |
| 1148 | return false; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1149 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1150 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1151 | return allConstant; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1152 | } |
| 1153 | |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 1154 | TPublicType TParseContext::addFullySpecifiedType(TQualifier qualifier, TLayoutQualifier layoutQualifier, const TPublicType& typeSpecifier) |
shannonwoods@chromium.org | 0f376ca | 2013-05-30 00:19:23 +0000 | [diff] [blame] | 1155 | { |
| 1156 | TPublicType returnType = typeSpecifier; |
| 1157 | returnType.qualifier = qualifier; |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 1158 | returnType.layoutQualifier = layoutQualifier; |
shannonwoods@chromium.org | 0f376ca | 2013-05-30 00:19:23 +0000 | [diff] [blame] | 1159 | |
| 1160 | if (typeSpecifier.array) |
| 1161 | { |
| 1162 | error(typeSpecifier.line, "not supported", "first-class array"); |
| 1163 | recover(); |
| 1164 | returnType.setArray(false); |
| 1165 | } |
| 1166 | |
shannonwoods@chromium.org | 5703d88 | 2013-05-30 00:19:38 +0000 | [diff] [blame] | 1167 | if (shaderVersion < 300) |
shannonwoods@chromium.org | 0f376ca | 2013-05-30 00:19:23 +0000 | [diff] [blame] | 1168 | { |
shannonwoods@chromium.org | 5703d88 | 2013-05-30 00:19:38 +0000 | [diff] [blame] | 1169 | if (qualifier == EvqAttribute && (typeSpecifier.type == EbtBool || typeSpecifier.type == EbtInt)) |
| 1170 | { |
| 1171 | error(typeSpecifier.line, "cannot be bool or int", getQualifierString(qualifier)); |
| 1172 | recover(); |
| 1173 | } |
shannonwoods@chromium.org | 0f376ca | 2013-05-30 00:19:23 +0000 | [diff] [blame] | 1174 | |
shannonwoods@chromium.org | 5703d88 | 2013-05-30 00:19:38 +0000 | [diff] [blame] | 1175 | if ((qualifier == EvqVaryingIn || qualifier == EvqVaryingOut) && |
| 1176 | (typeSpecifier.type == EbtBool || typeSpecifier.type == EbtInt)) |
| 1177 | { |
| 1178 | error(typeSpecifier.line, "cannot be bool or int", getQualifierString(qualifier)); |
| 1179 | recover(); |
| 1180 | } |
| 1181 | } |
| 1182 | else |
shannonwoods@chromium.org | 0f376ca | 2013-05-30 00:19:23 +0000 | [diff] [blame] | 1183 | { |
Jamie Madill | b120eac | 2013-06-12 14:08:13 -0400 | [diff] [blame] | 1184 | switch (qualifier) |
shannonwoods@chromium.org | 5703d88 | 2013-05-30 00:19:38 +0000 | [diff] [blame] | 1185 | { |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 1186 | case EvqSmoothIn: |
| 1187 | case EvqSmoothOut: |
| 1188 | case EvqVertexOut: |
| 1189 | case EvqFragmentIn: |
| 1190 | case EvqCentroidOut: |
| 1191 | case EvqCentroidIn: |
| 1192 | if (typeSpecifier.type == EbtBool) |
| 1193 | { |
| 1194 | error(typeSpecifier.line, "cannot be bool", getQualifierString(qualifier)); |
| 1195 | recover(); |
| 1196 | } |
| 1197 | if (typeSpecifier.type == EbtInt || typeSpecifier.type == EbtUInt) |
| 1198 | { |
| 1199 | error(typeSpecifier.line, "must use 'flat' interpolation here", getQualifierString(qualifier)); |
| 1200 | recover(); |
| 1201 | } |
| 1202 | break; |
| 1203 | |
| 1204 | case EvqVertexIn: |
| 1205 | case EvqFragmentOut: |
| 1206 | case EvqFlatIn: |
| 1207 | case EvqFlatOut: |
Jamie Madill | b120eac | 2013-06-12 14:08:13 -0400 | [diff] [blame] | 1208 | if (typeSpecifier.type == EbtBool) |
| 1209 | { |
| 1210 | error(typeSpecifier.line, "cannot be bool", getQualifierString(qualifier)); |
| 1211 | recover(); |
| 1212 | } |
| 1213 | break; |
shannonwoods@chromium.org | 5703d88 | 2013-05-30 00:19:38 +0000 | [diff] [blame] | 1214 | |
Jamie Madill | b120eac | 2013-06-12 14:08:13 -0400 | [diff] [blame] | 1215 | default: break; |
shannonwoods@chromium.org | 5703d88 | 2013-05-30 00:19:38 +0000 | [diff] [blame] | 1216 | } |
shannonwoods@chromium.org | 0f376ca | 2013-05-30 00:19:23 +0000 | [diff] [blame] | 1217 | } |
| 1218 | |
| 1219 | return returnType; |
| 1220 | } |
| 1221 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1222 | TIntermAggregate* TParseContext::parseSingleDeclaration(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier) |
Jamie Madill | 60ed981 | 2013-06-06 11:56:46 -0400 | [diff] [blame] | 1223 | { |
| 1224 | TIntermSymbol* symbol = intermediate.addSymbol(0, identifier, TType(publicType), identifierLocation); |
| 1225 | TIntermAggregate* aggregate = intermediate.makeAggregate(symbol, identifierLocation); |
| 1226 | |
| 1227 | if (identifier != "") |
| 1228 | { |
Jamie Madill | 51a53c7 | 2013-06-19 09:24:43 -0400 | [diff] [blame] | 1229 | if (singleDeclarationErrorCheck(publicType, identifierLocation, identifier)) |
Jamie Madill | 60ed981 | 2013-06-06 11:56:46 -0400 | [diff] [blame] | 1230 | recover(); |
| 1231 | |
| 1232 | // this error check can mutate the type |
| 1233 | if (nonInitConstErrorCheck(identifierLocation, identifier, publicType, false)) |
| 1234 | recover(); |
| 1235 | |
| 1236 | TVariable* variable = 0; |
| 1237 | |
| 1238 | if (nonInitErrorCheck(identifierLocation, identifier, publicType, variable)) |
| 1239 | recover(); |
| 1240 | |
| 1241 | if (variable && symbol) |
| 1242 | { |
| 1243 | symbol->setId(variable->getUniqueId()); |
| 1244 | } |
| 1245 | } |
| 1246 | |
| 1247 | return aggregate; |
| 1248 | } |
| 1249 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1250 | TIntermAggregate* TParseContext::parseSingleArrayDeclaration(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& indexLocation, TIntermTyped *indexExpression) |
Jamie Madill | 60ed981 | 2013-06-06 11:56:46 -0400 | [diff] [blame] | 1251 | { |
Jamie Madill | 51a53c7 | 2013-06-19 09:24:43 -0400 | [diff] [blame] | 1252 | if (singleDeclarationErrorCheck(publicType, identifierLocation, identifier)) |
Jamie Madill | 60ed981 | 2013-06-06 11:56:46 -0400 | [diff] [blame] | 1253 | recover(); |
| 1254 | |
| 1255 | // this error check can mutate the type |
| 1256 | if (nonInitConstErrorCheck(identifierLocation, identifier, publicType, true)) |
| 1257 | recover(); |
| 1258 | |
| 1259 | if (arrayTypeErrorCheck(indexLocation, publicType) || arrayQualifierErrorCheck(indexLocation, publicType)) |
| 1260 | { |
| 1261 | recover(); |
| 1262 | } |
| 1263 | |
| 1264 | TPublicType arrayType = publicType; |
| 1265 | |
| 1266 | int size; |
| 1267 | if (arraySizeErrorCheck(identifierLocation, indexExpression, size)) |
| 1268 | { |
| 1269 | recover(); |
| 1270 | } |
| 1271 | else |
| 1272 | { |
| 1273 | arrayType.setArray(true, size); |
| 1274 | } |
| 1275 | |
| 1276 | TIntermSymbol* symbol = intermediate.addSymbol(0, identifier, TType(arrayType), identifierLocation); |
| 1277 | TIntermAggregate* aggregate = intermediate.makeAggregate(symbol, identifierLocation); |
| 1278 | TVariable* variable = 0; |
| 1279 | |
| 1280 | if (arrayErrorCheck(identifierLocation, identifier, arrayType, variable)) |
| 1281 | recover(); |
| 1282 | |
| 1283 | if (variable && symbol) |
| 1284 | { |
| 1285 | symbol->setId(variable->getUniqueId()); |
| 1286 | } |
| 1287 | |
| 1288 | return aggregate; |
| 1289 | } |
| 1290 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1291 | TIntermAggregate* TParseContext::parseSingleInitDeclaration(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& initLocation, TIntermTyped *initializer) |
Jamie Madill | 60ed981 | 2013-06-06 11:56:46 -0400 | [diff] [blame] | 1292 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 1293 | if (singleDeclarationErrorCheck(publicType, identifierLocation, identifier)) |
Jamie Madill | 60ed981 | 2013-06-06 11:56:46 -0400 | [diff] [blame] | 1294 | recover(); |
| 1295 | |
| 1296 | TIntermNode* intermNode; |
| 1297 | if (!executeInitializer(identifierLocation, identifier, publicType, initializer, intermNode)) |
| 1298 | { |
| 1299 | // |
| 1300 | // Build intermediate representation |
| 1301 | // |
| 1302 | return intermNode ? intermediate.makeAggregate(intermNode, initLocation) : NULL; |
| 1303 | } |
| 1304 | else |
| 1305 | { |
| 1306 | recover(); |
| 1307 | return NULL; |
| 1308 | } |
| 1309 | } |
| 1310 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1311 | TIntermAggregate* TParseContext::parseDeclarator(TPublicType &publicType, TIntermAggregate *aggregateDeclaration, TSymbol *identifierSymbol, const TSourceLoc& identifierLocation, const TString &identifier) |
Jamie Madill | 502d66f | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1312 | { |
| 1313 | if (publicType.type == EbtInvariant && !identifierSymbol) |
| 1314 | { |
| 1315 | error(identifierLocation, "undeclared identifier declared as invariant", identifier.c_str()); |
| 1316 | recover(); |
| 1317 | } |
| 1318 | |
| 1319 | TIntermSymbol* symbol = intermediate.addSymbol(0, identifier, TType(publicType), identifierLocation); |
| 1320 | TIntermAggregate* intermAggregate = intermediate.growAggregate(aggregateDeclaration, symbol, identifierLocation); |
| 1321 | |
| 1322 | if (structQualifierErrorCheck(identifierLocation, publicType)) |
| 1323 | recover(); |
| 1324 | |
Jamie Madill | 0bd18df | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1325 | if (locationDeclaratorListCheck(identifierLocation, publicType)) |
| 1326 | recover(); |
| 1327 | |
Jamie Madill | 502d66f | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1328 | if (nonInitConstErrorCheck(identifierLocation, identifier, publicType, false)) |
| 1329 | recover(); |
| 1330 | |
| 1331 | TVariable* variable = 0; |
| 1332 | if (nonInitErrorCheck(identifierLocation, identifier, publicType, variable)) |
| 1333 | recover(); |
| 1334 | if (symbol && variable) |
| 1335 | symbol->setId(variable->getUniqueId()); |
| 1336 | |
| 1337 | return intermAggregate; |
| 1338 | } |
| 1339 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1340 | TIntermAggregate* TParseContext::parseArrayDeclarator(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& arrayLocation, TIntermNode *declaratorList, TIntermTyped *indexExpression) |
Jamie Madill | 502d66f | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1341 | { |
| 1342 | if (structQualifierErrorCheck(identifierLocation, publicType)) |
| 1343 | recover(); |
| 1344 | |
Jamie Madill | 0bd18df | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1345 | if (locationDeclaratorListCheck(identifierLocation, publicType)) |
| 1346 | recover(); |
| 1347 | |
Jamie Madill | 502d66f | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1348 | if (nonInitConstErrorCheck(identifierLocation, identifier, publicType, true)) |
| 1349 | recover(); |
| 1350 | |
| 1351 | if (arrayTypeErrorCheck(arrayLocation, publicType) || arrayQualifierErrorCheck(arrayLocation, publicType)) |
| 1352 | { |
| 1353 | recover(); |
| 1354 | } |
| 1355 | else if (indexExpression) |
| 1356 | { |
| 1357 | int size; |
| 1358 | if (arraySizeErrorCheck(arrayLocation, indexExpression, size)) |
| 1359 | recover(); |
| 1360 | TPublicType arrayType(publicType); |
| 1361 | arrayType.setArray(true, size); |
| 1362 | TVariable* variable = NULL; |
| 1363 | if (arrayErrorCheck(arrayLocation, identifier, arrayType, variable)) |
| 1364 | recover(); |
| 1365 | TType type = TType(arrayType); |
| 1366 | type.setArraySize(size); |
| 1367 | |
| 1368 | return intermediate.growAggregate(declaratorList, intermediate.addSymbol(variable ? variable->getUniqueId() : 0, identifier, type, identifierLocation), identifierLocation); |
| 1369 | } |
| 1370 | else |
| 1371 | { |
| 1372 | TPublicType arrayType(publicType); |
| 1373 | arrayType.setArray(true); |
| 1374 | TVariable* variable = NULL; |
| 1375 | if (arrayErrorCheck(arrayLocation, identifier, arrayType, variable)) |
| 1376 | recover(); |
| 1377 | } |
| 1378 | |
| 1379 | return NULL; |
| 1380 | } |
| 1381 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1382 | TIntermAggregate* TParseContext::parseInitDeclarator(TPublicType &publicType, TIntermAggregate *declaratorList, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& initLocation, TIntermTyped *initializer) |
Jamie Madill | 502d66f | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1383 | { |
| 1384 | if (structQualifierErrorCheck(identifierLocation, publicType)) |
| 1385 | recover(); |
| 1386 | |
Jamie Madill | 0bd18df | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1387 | if (locationDeclaratorListCheck(identifierLocation, publicType)) |
| 1388 | recover(); |
| 1389 | |
Jamie Madill | 502d66f | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1390 | TIntermNode* intermNode; |
| 1391 | if (!executeInitializer(identifierLocation, identifier, publicType, initializer, intermNode)) |
| 1392 | { |
| 1393 | // |
| 1394 | // build the intermediate representation |
| 1395 | // |
| 1396 | if (intermNode) |
| 1397 | { |
| 1398 | return intermediate.growAggregate(declaratorList, intermNode, initLocation); |
| 1399 | } |
| 1400 | else |
| 1401 | { |
| 1402 | return declaratorList; |
| 1403 | } |
| 1404 | } |
| 1405 | else |
| 1406 | { |
| 1407 | recover(); |
| 1408 | return NULL; |
| 1409 | } |
| 1410 | } |
| 1411 | |
Jamie Madill | a295edf | 2013-06-06 11:56:48 -0400 | [diff] [blame] | 1412 | void TParseContext::parseGlobalLayoutQualifier(const TPublicType &typeQualifier) |
| 1413 | { |
| 1414 | if (typeQualifier.qualifier != EvqUniform) |
| 1415 | { |
| 1416 | error(typeQualifier.line, "invalid qualifier:", getQualifierString(typeQualifier.qualifier), "global layout must be uniform"); |
| 1417 | recover(); |
| 1418 | return; |
| 1419 | } |
| 1420 | |
| 1421 | const TLayoutQualifier layoutQualifier = typeQualifier.layoutQualifier; |
| 1422 | ASSERT(!layoutQualifier.isEmpty()); |
| 1423 | |
| 1424 | if (shaderVersion < 300) |
| 1425 | { |
| 1426 | error(typeQualifier.line, "layout qualifiers supported in GLSL ES 3.00 only", "layout"); |
| 1427 | recover(); |
| 1428 | return; |
| 1429 | } |
| 1430 | |
| 1431 | if (layoutLocationErrorCheck(typeQualifier.line, typeQualifier.layoutQualifier)) |
| 1432 | { |
| 1433 | recover(); |
| 1434 | return; |
| 1435 | } |
| 1436 | |
Jamie Madill | 099c0f3 | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1437 | if (layoutQualifier.matrixPacking != EmpUnspecified) |
| 1438 | { |
| 1439 | defaultMatrixPacking = layoutQualifier.matrixPacking; |
| 1440 | } |
| 1441 | |
Geoff Lang | c685673 | 2014-02-11 09:38:55 -0500 | [diff] [blame] | 1442 | if (layoutQualifier.blockStorage != EbsUnspecified) |
Jamie Madill | 1566ef7 | 2013-06-20 11:55:54 -0400 | [diff] [blame] | 1443 | { |
| 1444 | defaultBlockStorage = layoutQualifier.blockStorage; |
| 1445 | } |
Jamie Madill | a295edf | 2013-06-06 11:56:48 -0400 | [diff] [blame] | 1446 | } |
| 1447 | |
shannonwoods@chromium.org | 1885113 | 2013-05-30 00:19:54 +0000 | [diff] [blame] | 1448 | TFunction *TParseContext::addConstructorFunc(TPublicType publicType) |
| 1449 | { |
| 1450 | TOperator op = EOpNull; |
| 1451 | if (publicType.userDef) |
| 1452 | { |
| 1453 | op = EOpConstructStruct; |
| 1454 | } |
| 1455 | else |
| 1456 | { |
| 1457 | switch (publicType.type) |
| 1458 | { |
| 1459 | case EbtFloat: |
| 1460 | if (publicType.isMatrix()) |
| 1461 | { |
| 1462 | // TODO: non-square matrices |
| 1463 | switch(publicType.getCols()) |
| 1464 | { |
Jamie Madill | 28b9742 | 2013-07-08 14:01:38 -0400 | [diff] [blame] | 1465 | case 2: op = EOpConstructMat2; break; |
| 1466 | case 3: op = EOpConstructMat3; break; |
| 1467 | case 4: op = EOpConstructMat4; break; |
shannonwoods@chromium.org | 1885113 | 2013-05-30 00:19:54 +0000 | [diff] [blame] | 1468 | } |
| 1469 | } |
| 1470 | else |
| 1471 | { |
| 1472 | switch(publicType.getNominalSize()) |
| 1473 | { |
Jamie Madill | 28b9742 | 2013-07-08 14:01:38 -0400 | [diff] [blame] | 1474 | case 1: op = EOpConstructFloat; break; |
| 1475 | case 2: op = EOpConstructVec2; break; |
| 1476 | case 3: op = EOpConstructVec3; break; |
| 1477 | case 4: op = EOpConstructVec4; break; |
shannonwoods@chromium.org | 1885113 | 2013-05-30 00:19:54 +0000 | [diff] [blame] | 1478 | } |
| 1479 | } |
| 1480 | break; |
| 1481 | |
| 1482 | case EbtInt: |
| 1483 | switch(publicType.getNominalSize()) |
| 1484 | { |
Jamie Madill | 28b9742 | 2013-07-08 14:01:38 -0400 | [diff] [blame] | 1485 | case 1: op = EOpConstructInt; break; |
| 1486 | case 2: op = EOpConstructIVec2; break; |
| 1487 | case 3: op = EOpConstructIVec3; break; |
| 1488 | case 4: op = EOpConstructIVec4; break; |
shannonwoods@chromium.org | 1885113 | 2013-05-30 00:19:54 +0000 | [diff] [blame] | 1489 | } |
| 1490 | break; |
| 1491 | |
shannonwoods@chromium.org | 6b70991 | 2013-05-30 00:20:04 +0000 | [diff] [blame] | 1492 | case EbtUInt: |
| 1493 | switch(publicType.getNominalSize()) |
| 1494 | { |
Jamie Madill | 28b9742 | 2013-07-08 14:01:38 -0400 | [diff] [blame] | 1495 | case 1: op = EOpConstructUInt; break; |
| 1496 | case 2: op = EOpConstructUVec2; break; |
| 1497 | case 3: op = EOpConstructUVec3; break; |
| 1498 | case 4: op = EOpConstructUVec4; break; |
shannonwoods@chromium.org | 6b70991 | 2013-05-30 00:20:04 +0000 | [diff] [blame] | 1499 | } |
| 1500 | break; |
| 1501 | |
shannonwoods@chromium.org | 1885113 | 2013-05-30 00:19:54 +0000 | [diff] [blame] | 1502 | case EbtBool: |
| 1503 | switch(publicType.getNominalSize()) |
| 1504 | { |
Jamie Madill | 28b9742 | 2013-07-08 14:01:38 -0400 | [diff] [blame] | 1505 | case 1: op = EOpConstructBool; break; |
| 1506 | case 2: op = EOpConstructBVec2; break; |
| 1507 | case 3: op = EOpConstructBVec3; break; |
| 1508 | case 4: op = EOpConstructBVec4; break; |
shannonwoods@chromium.org | 1885113 | 2013-05-30 00:19:54 +0000 | [diff] [blame] | 1509 | } |
| 1510 | break; |
| 1511 | |
| 1512 | default: break; |
| 1513 | } |
| 1514 | |
| 1515 | if (op == EOpNull) |
| 1516 | { |
| 1517 | error(publicType.line, "cannot construct this type", getBasicString(publicType.type)); |
| 1518 | recover(); |
| 1519 | publicType.type = EbtFloat; |
| 1520 | op = EOpConstructFloat; |
| 1521 | } |
| 1522 | } |
| 1523 | |
| 1524 | TString tempString; |
| 1525 | TType type(publicType); |
| 1526 | return new TFunction(&tempString, type, op); |
| 1527 | } |
| 1528 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1529 | // This function is used to test for the correctness of the parameters passed to various constructor functions |
| 1530 | // and also convert them to the right datatype if it is allowed and required. |
| 1531 | // |
| 1532 | // Returns 0 for an error or the constructed node (aggregate or typed) for no error. |
| 1533 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1534 | TIntermTyped* TParseContext::addConstructor(TIntermNode* node, const TType* type, TOperator op, TFunction* fnCall, const TSourceLoc& line) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1535 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1536 | if (node == 0) |
| 1537 | return 0; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1538 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1539 | TIntermAggregate* aggrNode = node->getAsAggregate(); |
| 1540 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1541 | TFieldList::const_iterator memberTypes; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1542 | if (op == EOpConstructStruct) |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1543 | memberTypes = type->getStruct()->fields().begin(); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1544 | |
| 1545 | TType elementType = *type; |
| 1546 | if (type->isArray()) |
| 1547 | elementType.clearArrayness(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1548 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1549 | bool singleArg; |
| 1550 | if (aggrNode) { |
| 1551 | if (aggrNode->getOp() != EOpNull || aggrNode->getSequence().size() == 1) |
| 1552 | singleArg = true; |
| 1553 | else |
| 1554 | singleArg = false; |
| 1555 | } else |
| 1556 | singleArg = true; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1557 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1558 | TIntermTyped *newNode; |
| 1559 | if (singleArg) { |
| 1560 | // If structure constructor or array constructor is being called |
| 1561 | // for only one parameter inside the structure, we need to call constructStruct function once. |
| 1562 | if (type->isArray()) |
| 1563 | newNode = constructStruct(node, &elementType, 1, node->getLine(), false); |
| 1564 | else if (op == EOpConstructStruct) |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1565 | newNode = constructStruct(node, (*memberTypes)->type(), 1, node->getLine(), false); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1566 | else |
| 1567 | newNode = constructBuiltIn(type, op, node, node->getLine(), false); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1568 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1569 | if (newNode && newNode->getAsAggregate()) { |
| 1570 | TIntermTyped* constConstructor = foldConstConstructor(newNode->getAsAggregate(), *type); |
| 1571 | if (constConstructor) |
| 1572 | return constConstructor; |
| 1573 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1574 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1575 | return newNode; |
| 1576 | } |
| 1577 | |
| 1578 | // |
| 1579 | // Handle list of arguments. |
| 1580 | // |
| 1581 | TIntermSequence &sequenceVector = aggrNode->getSequence() ; // Stores the information about the parameter to the constructor |
| 1582 | // if the structure constructor contains more than one parameter, then construct |
| 1583 | // each parameter |
| 1584 | |
| 1585 | int paramCount = 0; // keeps a track of the constructor parameter number being checked |
| 1586 | |
| 1587 | // for each parameter to the constructor call, check to see if the right type is passed or convert them |
| 1588 | // to the right type if possible (and allowed). |
| 1589 | // for structure constructors, just check if the right type is passed, no conversion is allowed. |
| 1590 | |
| 1591 | for (TIntermSequence::iterator p = sequenceVector.begin(); |
| 1592 | p != sequenceVector.end(); p++, paramCount++) { |
| 1593 | if (type->isArray()) |
| 1594 | newNode = constructStruct(*p, &elementType, paramCount+1, node->getLine(), true); |
| 1595 | else if (op == EOpConstructStruct) |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1596 | newNode = constructStruct(*p, (memberTypes[paramCount])->type(), paramCount+1, node->getLine(), true); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1597 | else |
| 1598 | newNode = constructBuiltIn(type, op, *p, node->getLine(), true); |
| 1599 | |
| 1600 | if (newNode) { |
| 1601 | *p = newNode; |
| 1602 | } |
| 1603 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1604 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1605 | TIntermTyped* constructor = intermediate.setAggregateOperator(aggrNode, op, line); |
| 1606 | TIntermTyped* constConstructor = foldConstConstructor(constructor->getAsAggregate(), *type); |
| 1607 | if (constConstructor) |
| 1608 | return constConstructor; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1609 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1610 | return constructor; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1611 | } |
| 1612 | |
| 1613 | TIntermTyped* TParseContext::foldConstConstructor(TIntermAggregate* aggrNode, const TType& type) |
| 1614 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1615 | bool canBeFolded = areAllChildConst(aggrNode); |
| 1616 | aggrNode->setType(type); |
| 1617 | if (canBeFolded) { |
| 1618 | bool returnVal = false; |
alokp@chromium.org | 6ff56fd | 2010-05-05 16:37:50 +0000 | [diff] [blame] | 1619 | ConstantUnion* unionArray = new ConstantUnion[type.getObjectSize()]; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1620 | if (aggrNode->getSequence().size() == 1) { |
shannonwoods@chromium.org | 298f907 | 2013-05-30 00:21:17 +0000 | [diff] [blame] | 1621 | returnVal = intermediate.parseConstTree(aggrNode->getLine(), aggrNode, unionArray, aggrNode->getOp(), type, true); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1622 | } |
| 1623 | else { |
shannonwoods@chromium.org | 298f907 | 2013-05-30 00:21:17 +0000 | [diff] [blame] | 1624 | returnVal = intermediate.parseConstTree(aggrNode->getLine(), aggrNode, unionArray, aggrNode->getOp(), type); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1625 | } |
| 1626 | if (returnVal) |
| 1627 | return 0; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1628 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1629 | return intermediate.addConstantUnion(unionArray, type, aggrNode->getLine()); |
| 1630 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1631 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1632 | return 0; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1633 | } |
| 1634 | |
| 1635 | // Function for constructor implementation. Calls addUnaryMath with appropriate EOp value |
| 1636 | // for the parameter to the constructor (passed to this function). Essentially, it converts |
| 1637 | // the parameter types correctly. If a constructor expects an int (like ivec2) and is passed a |
| 1638 | // float, then float is converted to int. |
| 1639 | // |
| 1640 | // Returns 0 for an error or the constructed node. |
| 1641 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1642 | TIntermTyped* TParseContext::constructBuiltIn(const TType* type, TOperator op, TIntermNode* node, const TSourceLoc& line, bool subset) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1643 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1644 | TIntermTyped* newNode; |
| 1645 | TOperator basicOp; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1646 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1647 | // |
| 1648 | // First, convert types as needed. |
| 1649 | // |
| 1650 | switch (op) { |
| 1651 | case EOpConstructVec2: |
| 1652 | case EOpConstructVec3: |
| 1653 | case EOpConstructVec4: |
| 1654 | case EOpConstructMat2: |
| 1655 | case EOpConstructMat3: |
| 1656 | case EOpConstructMat4: |
| 1657 | case EOpConstructFloat: |
| 1658 | basicOp = EOpConstructFloat; |
| 1659 | break; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1660 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1661 | case EOpConstructIVec2: |
| 1662 | case EOpConstructIVec3: |
| 1663 | case EOpConstructIVec4: |
| 1664 | case EOpConstructInt: |
| 1665 | basicOp = EOpConstructInt; |
| 1666 | break; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1667 | |
shannonwoods@chromium.org | 8c788e8 | 2013-05-30 00:20:21 +0000 | [diff] [blame] | 1668 | case EOpConstructUVec2: |
| 1669 | case EOpConstructUVec3: |
| 1670 | case EOpConstructUVec4: |
Nicolas Capens | ab60b93 | 2013-06-05 10:31:21 -0400 | [diff] [blame] | 1671 | case EOpConstructUInt: |
| 1672 | basicOp = EOpConstructUInt; |
shannonwoods@chromium.org | 6b70991 | 2013-05-30 00:20:04 +0000 | [diff] [blame] | 1673 | break; |
| 1674 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1675 | case EOpConstructBVec2: |
| 1676 | case EOpConstructBVec3: |
| 1677 | case EOpConstructBVec4: |
| 1678 | case EOpConstructBool: |
| 1679 | basicOp = EOpConstructBool; |
| 1680 | break; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1681 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1682 | default: |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1683 | error(line, "unsupported construction", ""); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1684 | recover(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1685 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1686 | return 0; |
| 1687 | } |
shannonwoods@chromium.org | 298f907 | 2013-05-30 00:21:17 +0000 | [diff] [blame] | 1688 | newNode = intermediate.addUnaryMath(basicOp, node, node->getLine()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1689 | if (newNode == 0) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1690 | error(line, "can't convert", "constructor"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1691 | return 0; |
| 1692 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1693 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1694 | // |
| 1695 | // Now, if there still isn't an operation to do the construction, and we need one, add one. |
| 1696 | // |
| 1697 | |
| 1698 | // Otherwise, skip out early. |
| 1699 | if (subset || (newNode != node && newNode->getType() == *type)) |
| 1700 | return newNode; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1701 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1702 | // setAggregateOperator will insert a new node for the constructor, as needed. |
| 1703 | return intermediate.setAggregateOperator(newNode, op, line); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1704 | } |
| 1705 | |
| 1706 | // This function tests for the type of the parameters to the structures constructors. Raises |
| 1707 | // an error message if the expected type does not match the parameter passed to the constructor. |
| 1708 | // |
| 1709 | // Returns 0 for an error or the input node itself if the expected and the given parameter types match. |
| 1710 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1711 | TIntermTyped* TParseContext::constructStruct(TIntermNode* node, TType* type, int paramCount, const TSourceLoc& line, bool subset) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1712 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1713 | if (*type == node->getAsTyped()->getType()) { |
| 1714 | if (subset) |
| 1715 | return node->getAsTyped(); |
| 1716 | else |
| 1717 | return intermediate.setAggregateOperator(node->getAsTyped(), EOpConstructStruct, line); |
| 1718 | } else { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1719 | std::stringstream extraInfoStream; |
| 1720 | extraInfoStream << "cannot convert parameter " << paramCount |
| 1721 | << " from '" << node->getAsTyped()->getType().getBasicString() |
| 1722 | << "' to '" << type->getBasicString() << "'"; |
| 1723 | std::string extraInfo = extraInfoStream.str(); |
| 1724 | error(line, "", "constructor", extraInfo.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1725 | recover(); |
| 1726 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1727 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1728 | return 0; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1729 | } |
| 1730 | |
| 1731 | // |
| 1732 | // This function returns the tree representation for the vector field(s) being accessed from contant vector. |
| 1733 | // If only one component of vector is accessed (v.x or v[0] where v is a contant vector), then a contant node is |
| 1734 | // returned, else an aggregate node is returned (for v.xy). The input to this function could either be the symbol |
| 1735 | // node or it could be the intermediate tree representation of accessing fields in a constant structure or column of |
| 1736 | // a constant matrix. |
| 1737 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1738 | TIntermTyped* TParseContext::addConstVectorNode(TVectorFields& fields, TIntermTyped* node, const TSourceLoc& line) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1739 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1740 | TIntermTyped* typedNode; |
| 1741 | TIntermConstantUnion* tempConstantNode = node->getAsConstantUnion(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1742 | |
alokp@chromium.org | 6ff56fd | 2010-05-05 16:37:50 +0000 | [diff] [blame] | 1743 | ConstantUnion *unionArray; |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1744 | if (tempConstantNode) { |
| 1745 | unionArray = tempConstantNode->getUnionArrayPointer(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1746 | |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 1747 | if (!unionArray) { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1748 | return node; |
| 1749 | } |
| 1750 | } else { // The node has to be either a symbol node or an aggregate node or a tempConstant node, else, its an error |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1751 | error(line, "Cannot offset into the vector", "Error"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1752 | recover(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1753 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1754 | return 0; |
| 1755 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1756 | |
alokp@chromium.org | 6ff56fd | 2010-05-05 16:37:50 +0000 | [diff] [blame] | 1757 | ConstantUnion* constArray = new ConstantUnion[fields.num]; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1758 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1759 | for (int i = 0; i < fields.num; i++) { |
Jamie Madill | 94bf7f2 | 2013-07-08 13:31:15 -0400 | [diff] [blame] | 1760 | if (fields.offsets[i] >= node->getType().getNominalSize()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1761 | std::stringstream extraInfoStream; |
| 1762 | extraInfoStream << "vector field selection out of range '" << fields.offsets[i] << "'"; |
| 1763 | std::string extraInfo = extraInfoStream.str(); |
| 1764 | error(line, "", "[", extraInfo.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1765 | recover(); |
| 1766 | fields.offsets[i] = 0; |
| 1767 | } |
| 1768 | |
| 1769 | constArray[i] = unionArray[fields.offsets[i]]; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1770 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1771 | } |
| 1772 | typedNode = intermediate.addConstantUnion(constArray, node->getType(), line); |
| 1773 | return typedNode; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1774 | } |
| 1775 | |
| 1776 | // |
| 1777 | // This function returns the column being accessed from a constant matrix. The values are retrieved from |
| 1778 | // the symbol table and parse-tree is built for a vector (each column of a matrix is a vector). The input |
| 1779 | // to the function could either be a symbol node (m[0] where m is a constant matrix)that represents a |
| 1780 | // constant matrix or it could be the tree representation of the constant matrix (s.m1[0] where s is a constant structure) |
| 1781 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1782 | TIntermTyped* TParseContext::addConstMatrixNode(int index, TIntermTyped* node, const TSourceLoc& line) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1783 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1784 | TIntermTyped* typedNode; |
| 1785 | TIntermConstantUnion* tempConstantNode = node->getAsConstantUnion(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1786 | |
shannonwoods@chromium.org | 9bd22fa | 2013-05-30 00:18:47 +0000 | [diff] [blame] | 1787 | if (index >= node->getType().getCols()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1788 | std::stringstream extraInfoStream; |
| 1789 | extraInfoStream << "matrix field selection out of range '" << index << "'"; |
| 1790 | std::string extraInfo = extraInfoStream.str(); |
| 1791 | error(line, "", "[", extraInfo.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1792 | recover(); |
| 1793 | index = 0; |
| 1794 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1795 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1796 | if (tempConstantNode) { |
alokp@chromium.org | 6ff56fd | 2010-05-05 16:37:50 +0000 | [diff] [blame] | 1797 | ConstantUnion* unionArray = tempConstantNode->getUnionArrayPointer(); |
shannonwoods@chromium.org | 09e0988 | 2013-05-30 00:18:25 +0000 | [diff] [blame] | 1798 | int size = tempConstantNode->getType().getCols(); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1799 | typedNode = intermediate.addConstantUnion(&unionArray[size*index], tempConstantNode->getType(), line); |
| 1800 | } else { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1801 | error(line, "Cannot offset into the matrix", "Error"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1802 | recover(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1803 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1804 | return 0; |
| 1805 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1806 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1807 | return typedNode; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1808 | } |
| 1809 | |
| 1810 | |
| 1811 | // |
| 1812 | // This function returns an element of an array accessed from a constant array. The values are retrieved from |
| 1813 | // the symbol table and parse-tree is built for the type of the element. The input |
| 1814 | // to the function could either be a symbol node (a[0] where a is a constant array)that represents a |
| 1815 | // constant array or it could be the tree representation of the constant array (s.a1[0] where s is a constant structure) |
| 1816 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1817 | TIntermTyped* TParseContext::addConstArrayNode(int index, TIntermTyped* node, const TSourceLoc& line) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1818 | { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1819 | TIntermTyped* typedNode; |
| 1820 | TIntermConstantUnion* tempConstantNode = node->getAsConstantUnion(); |
| 1821 | TType arrayElementType = node->getType(); |
| 1822 | arrayElementType.clearArrayness(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1823 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1824 | if (index >= node->getType().getArraySize()) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1825 | std::stringstream extraInfoStream; |
| 1826 | extraInfoStream << "array field selection out of range '" << index << "'"; |
| 1827 | std::string extraInfo = extraInfoStream.str(); |
| 1828 | error(line, "", "[", extraInfo.c_str()); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1829 | recover(); |
| 1830 | index = 0; |
| 1831 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1832 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1833 | if (tempConstantNode) { |
Jamie Madill | 94bf7f2 | 2013-07-08 13:31:15 -0400 | [diff] [blame] | 1834 | size_t arrayElementSize = arrayElementType.getObjectSize(); |
| 1835 | ConstantUnion* unionArray = tempConstantNode->getUnionArrayPointer(); |
| 1836 | typedNode = intermediate.addConstantUnion(&unionArray[arrayElementSize * index], tempConstantNode->getType(), line); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1837 | } else { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1838 | error(line, "Cannot offset into the array", "Error"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1839 | recover(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1840 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1841 | return 0; |
| 1842 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1843 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1844 | return typedNode; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1845 | } |
| 1846 | |
| 1847 | |
| 1848 | // |
| 1849 | // This function returns the value of a particular field inside a constant structure from the symbol table. |
| 1850 | // If there is an embedded/nested struct, it appropriately calls addConstStructNested or addConstStructFromAggr |
| 1851 | // function and returns the parse-tree with the values of the embedded/nested struct. |
| 1852 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 1853 | TIntermTyped* TParseContext::addConstStruct(const TString &identifier, TIntermTyped *node, const TSourceLoc& line) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1854 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1855 | const TFieldList& fields = node->getType().getStruct()->fields(); |
Jamie Madill | 94bf7f2 | 2013-07-08 13:31:15 -0400 | [diff] [blame] | 1856 | size_t instanceSize = 0; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1857 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1858 | for (size_t index = 0; index < fields.size(); ++index) { |
| 1859 | if (fields[index]->name() == identifier) { |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1860 | break; |
| 1861 | } else { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1862 | instanceSize += fields[index]->type()->getObjectSize(); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1863 | } |
| 1864 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1865 | |
Jamie Madill | 94bf7f2 | 2013-07-08 13:31:15 -0400 | [diff] [blame] | 1866 | TIntermTyped *typedNode; |
| 1867 | TIntermConstantUnion *tempConstantNode = node->getAsConstantUnion(); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1868 | if (tempConstantNode) { |
alokp@chromium.org | 6ff56fd | 2010-05-05 16:37:50 +0000 | [diff] [blame] | 1869 | ConstantUnion* constArray = tempConstantNode->getUnionArrayPointer(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1870 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1871 | typedNode = intermediate.addConstantUnion(constArray+instanceSize, tempConstantNode->getType(), line); // type will be changed in the calling function |
| 1872 | } else { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 1873 | error(line, "Cannot offset into the structure", "Error"); |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1874 | recover(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1875 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1876 | return 0; |
| 1877 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1878 | |
daniel@transgaming.com | ea15b0e | 2010-04-29 03:32:36 +0000 | [diff] [blame] | 1879 | return typedNode; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1880 | } |
| 1881 | |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1882 | // |
| 1883 | // Interface/uniform blocks |
| 1884 | // |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1885 | TIntermAggregate* TParseContext::addInterfaceBlock(const TPublicType& typeQualifier, const TSourceLoc& nameLine, const TString& blockName, TFieldList* fieldList, |
| 1886 | const TString* instanceName, const TSourceLoc& instanceLine, TIntermTyped* arrayIndex, const TSourceLoc& arrayIndexLine) |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1887 | { |
| 1888 | if (reservedErrorCheck(nameLine, blockName)) |
| 1889 | recover(); |
| 1890 | |
| 1891 | if (typeQualifier.qualifier != EvqUniform) |
| 1892 | { |
| 1893 | error(typeQualifier.line, "invalid qualifier:", getQualifierString(typeQualifier.qualifier), "interface blocks must be uniform"); |
| 1894 | recover(); |
| 1895 | } |
| 1896 | |
Jamie Madill | 099c0f3 | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1897 | TLayoutQualifier blockLayoutQualifier = typeQualifier.layoutQualifier; |
| 1898 | if (layoutLocationErrorCheck(typeQualifier.line, blockLayoutQualifier)) |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 1899 | { |
| 1900 | recover(); |
| 1901 | } |
| 1902 | |
Jamie Madill | 099c0f3 | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1903 | if (blockLayoutQualifier.matrixPacking == EmpUnspecified) |
| 1904 | { |
| 1905 | blockLayoutQualifier.matrixPacking = defaultMatrixPacking; |
| 1906 | } |
| 1907 | |
Jamie Madill | 1566ef7 | 2013-06-20 11:55:54 -0400 | [diff] [blame] | 1908 | if (blockLayoutQualifier.blockStorage == EbsUnspecified) |
| 1909 | { |
| 1910 | blockLayoutQualifier.blockStorage = defaultBlockStorage; |
| 1911 | } |
| 1912 | |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1913 | TSymbol* blockNameSymbol = new TInterfaceBlockName(&blockName); |
| 1914 | if (!symbolTable.declare(*blockNameSymbol)) { |
| 1915 | error(nameLine, "redefinition", blockName.c_str(), "interface block name"); |
| 1916 | recover(); |
| 1917 | } |
| 1918 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1919 | // check for sampler types and apply layout qualifiers |
| 1920 | for (size_t memberIndex = 0; memberIndex < fieldList->size(); ++memberIndex) { |
| 1921 | TField* field = (*fieldList)[memberIndex]; |
| 1922 | TType* fieldType = field->type(); |
| 1923 | if (IsSampler(fieldType->getBasicType())) { |
| 1924 | error(field->line(), "unsupported type", fieldType->getBasicString(), "sampler types are not allowed in interface blocks"); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1925 | recover(); |
| 1926 | } |
| 1927 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1928 | const TQualifier qualifier = fieldType->getQualifier(); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1929 | switch (qualifier) |
| 1930 | { |
| 1931 | case EvqGlobal: |
| 1932 | case EvqUniform: |
| 1933 | break; |
| 1934 | default: |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1935 | error(field->line(), "invalid qualifier on interface block member", getQualifierString(qualifier)); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1936 | recover(); |
| 1937 | break; |
| 1938 | } |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 1939 | |
| 1940 | // check layout qualifiers |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1941 | TLayoutQualifier fieldLayoutQualifier = fieldType->getLayoutQualifier(); |
| 1942 | if (layoutLocationErrorCheck(field->line(), fieldLayoutQualifier)) |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 1943 | { |
| 1944 | recover(); |
| 1945 | } |
Jamie Madill | 099c0f3 | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1946 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1947 | if (fieldLayoutQualifier.blockStorage != EbsUnspecified) |
Jamie Madill | 1566ef7 | 2013-06-20 11:55:54 -0400 | [diff] [blame] | 1948 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1949 | error(field->line(), "invalid layout qualifier:", getBlockStorageString(fieldLayoutQualifier.blockStorage), "cannot be used here"); |
Jamie Madill | 1566ef7 | 2013-06-20 11:55:54 -0400 | [diff] [blame] | 1950 | recover(); |
| 1951 | } |
| 1952 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1953 | if (fieldLayoutQualifier.matrixPacking == EmpUnspecified) |
Jamie Madill | 099c0f3 | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1954 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1955 | fieldLayoutQualifier.matrixPacking = blockLayoutQualifier.matrixPacking; |
Jamie Madill | 099c0f3 | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1956 | } |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1957 | else if (!fieldType->isMatrix()) |
Jamie Madill | 099c0f3 | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1958 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1959 | error(field->line(), "invalid layout qualifier:", getMatrixPackingString(fieldLayoutQualifier.matrixPacking), "can only be used on matrix types"); |
Jamie Madill | 099c0f3 | 2013-06-20 11:55:52 -0400 | [diff] [blame] | 1960 | recover(); |
| 1961 | } |
| 1962 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1963 | fieldType->setLayoutQualifier(fieldLayoutQualifier); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1964 | } |
| 1965 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1966 | // add array index |
| 1967 | int arraySize = 0; |
| 1968 | if (arrayIndex != NULL) |
| 1969 | { |
| 1970 | if (arraySizeErrorCheck(arrayIndexLine, arrayIndex, arraySize)) |
| 1971 | recover(); |
| 1972 | } |
| 1973 | |
| 1974 | TInterfaceBlock* interfaceBlock = new TInterfaceBlock(&blockName, fieldList, instanceName, arraySize, blockLayoutQualifier); |
| 1975 | TType interfaceBlockType(interfaceBlock, typeQualifier.qualifier, blockLayoutQualifier, arraySize); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1976 | |
| 1977 | TString symbolName = ""; |
| 1978 | int symbolId = 0; |
| 1979 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1980 | if (!instanceName) |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1981 | { |
| 1982 | // define symbols for the members of the interface block |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 1983 | for (size_t memberIndex = 0; memberIndex < fieldList->size(); ++memberIndex) |
| 1984 | { |
| 1985 | TField* field = (*fieldList)[memberIndex]; |
| 1986 | TType* fieldType = field->type(); |
| 1987 | |
| 1988 | // set parent pointer of the field variable |
| 1989 | fieldType->setInterfaceBlock(interfaceBlock); |
| 1990 | |
| 1991 | TVariable* fieldVariable = new TVariable(&field->name(), *fieldType); |
| 1992 | fieldVariable->setQualifier(typeQualifier.qualifier); |
| 1993 | |
| 1994 | if (!symbolTable.declare(*fieldVariable)) { |
| 1995 | error(field->line(), "redefinition", field->name().c_str(), "interface block member name"); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 1996 | recover(); |
| 1997 | } |
| 1998 | } |
| 1999 | } |
| 2000 | else |
| 2001 | { |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2002 | // add a symbol for this interface block |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2003 | TVariable* instanceTypeDef = new TVariable(instanceName, interfaceBlockType, false); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2004 | instanceTypeDef->setQualifier(typeQualifier.qualifier); |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2005 | |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2006 | if (!symbolTable.declare(*instanceTypeDef)) { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2007 | error(instanceLine, "redefinition", instanceName->c_str(), "interface block instance name"); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2008 | recover(); |
| 2009 | } |
| 2010 | |
| 2011 | symbolId = instanceTypeDef->getUniqueId(); |
| 2012 | symbolName = instanceTypeDef->getName(); |
| 2013 | } |
| 2014 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2015 | TIntermAggregate *aggregate = intermediate.makeAggregate(intermediate.addSymbol(symbolId, symbolName, interfaceBlockType, typeQualifier.line), nameLine); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2016 | aggregate->setOp(EOpDeclaration); |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2017 | |
| 2018 | exitStructDeclaration(); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2019 | return aggregate; |
| 2020 | } |
| 2021 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 2022 | bool TParseContext::enterStructDeclaration(const TSourceLoc& line, const TString& identifier) |
kbr@chromium.org | 476541f | 2011-10-27 21:14:51 +0000 | [diff] [blame] | 2023 | { |
| 2024 | ++structNestingLevel; |
| 2025 | |
| 2026 | // Embedded structure definitions are not supported per GLSL ES spec. |
| 2027 | // They aren't allowed in GLSL either, but we need to detect this here |
| 2028 | // so we don't rely on the GLSL compiler to catch it. |
| 2029 | if (structNestingLevel > 1) { |
maxvujovic@gmail.com | c6b3b3c | 2012-06-27 22:49:39 +0000 | [diff] [blame] | 2030 | error(line, "", "Embedded struct definitions are not allowed"); |
kbr@chromium.org | 476541f | 2011-10-27 21:14:51 +0000 | [diff] [blame] | 2031 | return true; |
| 2032 | } |
| 2033 | |
| 2034 | return false; |
| 2035 | } |
| 2036 | |
| 2037 | void TParseContext::exitStructDeclaration() |
| 2038 | { |
| 2039 | --structNestingLevel; |
| 2040 | } |
| 2041 | |
| 2042 | namespace { |
| 2043 | |
| 2044 | const int kWebGLMaxStructNesting = 4; |
| 2045 | |
| 2046 | } // namespace |
| 2047 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2048 | bool TParseContext::structNestingErrorCheck(const TSourceLoc& line, const TField& field) |
kbr@chromium.org | 476541f | 2011-10-27 21:14:51 +0000 | [diff] [blame] | 2049 | { |
Jamie Madill | 5508f39 | 2014-02-20 13:31:36 -0500 | [diff] [blame] | 2050 | if (!IsWebGLBasedSpec(shaderSpec)) { |
kbr@chromium.org | 476541f | 2011-10-27 21:14:51 +0000 | [diff] [blame] | 2051 | return false; |
| 2052 | } |
| 2053 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2054 | if (field.type()->getBasicType() != EbtStruct) { |
kbr@chromium.org | 476541f | 2011-10-27 21:14:51 +0000 | [diff] [blame] | 2055 | return false; |
| 2056 | } |
| 2057 | |
| 2058 | // We're already inside a structure definition at this point, so add |
| 2059 | // one to the field's struct nesting. |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2060 | if (1 + field.type()->getDeepestStructNesting() > kWebGLMaxStructNesting) { |
Jamie Madill | 41a4927 | 2014-03-18 16:10:13 -0400 | [diff] [blame] | 2061 | std::stringstream reasonStream; |
| 2062 | reasonStream << "Reference of struct type " |
| 2063 | << field.type()->getStruct()->name().c_str() |
| 2064 | << " exceeds maximum allowed nesting level of " |
| 2065 | << kWebGLMaxStructNesting; |
| 2066 | std::string reason = reasonStream.str(); |
| 2067 | error(line, reason.c_str(), field.name().c_str(), ""); |
kbr@chromium.org | 476541f | 2011-10-27 21:14:51 +0000 | [diff] [blame] | 2068 | return true; |
| 2069 | } |
| 2070 | |
| 2071 | return false; |
| 2072 | } |
| 2073 | |
alokp@chromium.org | 044a5cf | 2010-11-12 15:42:16 +0000 | [diff] [blame] | 2074 | // |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2075 | // Parse an array index expression |
| 2076 | // |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 2077 | TIntermTyped* TParseContext::addIndexExpression(TIntermTyped *baseExpression, const TSourceLoc& location, TIntermTyped *indexExpression) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2078 | { |
| 2079 | TIntermTyped *indexedExpression = NULL; |
| 2080 | |
| 2081 | if (!baseExpression->isArray() && !baseExpression->isMatrix() && !baseExpression->isVector()) |
| 2082 | { |
| 2083 | if (baseExpression->getAsSymbolNode()) |
| 2084 | { |
| 2085 | error(location, " left of '[' is not of type array, matrix, or vector ", baseExpression->getAsSymbolNode()->getSymbol().c_str()); |
| 2086 | } |
| 2087 | else |
| 2088 | { |
| 2089 | error(location, " left of '[' is not of type array, matrix, or vector ", "expression"); |
| 2090 | } |
| 2091 | recover(); |
| 2092 | } |
shannonwoods@chromium.org | 09e0988 | 2013-05-30 00:18:25 +0000 | [diff] [blame] | 2093 | |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2094 | if (indexExpression->getQualifier() == EvqConst) |
| 2095 | { |
| 2096 | int index = indexExpression->getAsConstantUnion()->getIConst(0); |
| 2097 | if (index < 0) |
| 2098 | { |
| 2099 | std::stringstream infoStream; |
| 2100 | infoStream << index; |
| 2101 | std::string info = infoStream.str(); |
| 2102 | error(location, "negative index", info.c_str()); |
| 2103 | recover(); |
| 2104 | index = 0; |
| 2105 | } |
| 2106 | if (baseExpression->getType().getQualifier() == EvqConst) |
| 2107 | { |
| 2108 | if (baseExpression->isArray()) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2109 | { |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2110 | // constant folding for arrays |
| 2111 | indexedExpression = addConstArrayNode(index, baseExpression, location); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2112 | } |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2113 | else if (baseExpression->isVector()) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2114 | { |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2115 | // constant folding for vectors |
| 2116 | TVectorFields fields; |
| 2117 | fields.num = 1; |
| 2118 | fields.offsets[0] = index; // need to do it this way because v.xy sends fields integer array |
| 2119 | indexedExpression = addConstVectorNode(fields, baseExpression, location); |
| 2120 | } |
| 2121 | else if (baseExpression->isMatrix()) |
| 2122 | { |
| 2123 | // constant folding for matrices |
| 2124 | indexedExpression = addConstMatrixNode(index, baseExpression, location); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2125 | } |
| 2126 | } |
| 2127 | else |
| 2128 | { |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2129 | if (baseExpression->isArray()) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2130 | { |
Jamie Madill | 18464b5 | 2013-07-08 14:01:55 -0400 | [diff] [blame] | 2131 | if (index >= baseExpression->getType().getArraySize()) |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2132 | { |
| 2133 | std::stringstream extraInfoStream; |
| 2134 | extraInfoStream << "array index out of range '" << index << "'"; |
| 2135 | std::string extraInfo = extraInfoStream.str(); |
| 2136 | error(location, "", "[", extraInfo.c_str()); |
| 2137 | recover(); |
| 2138 | index = baseExpression->getType().getArraySize() - 1; |
| 2139 | } |
Jamie Madill | 5d287f5 | 2013-07-12 15:38:19 -0400 | [diff] [blame] | 2140 | else if (baseExpression->getQualifier() == EvqFragData && index > 0 && !isExtensionEnabled("GL_EXT_draw_buffers")) |
| 2141 | { |
| 2142 | error(location, "", "[", "array indexes for gl_FragData must be zero when GL_EXT_draw_buffers is disabled"); |
| 2143 | recover(); |
| 2144 | index = 0; |
| 2145 | } |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2146 | } |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2147 | else if ((baseExpression->isVector() || baseExpression->isMatrix()) && baseExpression->getType().getNominalSize() <= index) |
shannonwoods@chromium.org | e429ab7 | 2013-05-30 00:12:52 +0000 | [diff] [blame] | 2148 | { |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2149 | std::stringstream extraInfoStream; |
| 2150 | extraInfoStream << "field selection out of range '" << index << "'"; |
| 2151 | std::string extraInfo = extraInfoStream.str(); |
| 2152 | error(location, "", "[", extraInfo.c_str()); |
shannonwoods@chromium.org | e429ab7 | 2013-05-30 00:12:52 +0000 | [diff] [blame] | 2153 | recover(); |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2154 | index = baseExpression->getType().getNominalSize() - 1; |
Jamie Madill | 46131a3 | 2013-06-20 11:55:50 -0400 | [diff] [blame] | 2155 | } |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2156 | |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2157 | indexExpression->getAsConstantUnion()->getUnionArrayPointer()->setIConst(index); |
| 2158 | indexedExpression = intermediate.addIndex(EOpIndexDirect, baseExpression, indexExpression, location); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2159 | } |
| 2160 | } |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2161 | else |
| 2162 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2163 | if (baseExpression->isInterfaceBlock()) |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2164 | { |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 2165 | error(location, "", "[", "array indexes for interface blocks arrays must be constant integral expressions"); |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2166 | recover(); |
| 2167 | } |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 2168 | else if (baseExpression->getQualifier() == EvqFragmentOut) |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2169 | { |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 2170 | error(location, "", "[", "array indexes for fragment outputs must be constant integral expressions"); |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2171 | recover(); |
| 2172 | } |
| 2173 | |
| 2174 | indexedExpression = intermediate.addIndex(EOpIndexIndirect, baseExpression, indexExpression, location); |
| 2175 | } |
| 2176 | |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2177 | if (indexedExpression == 0) |
| 2178 | { |
| 2179 | ConstantUnion *unionArray = new ConstantUnion[1]; |
| 2180 | unionArray->setFConst(0.0f); |
| 2181 | indexedExpression = intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpHigh, EvqConst), location); |
| 2182 | } |
| 2183 | else if (baseExpression->isArray()) |
| 2184 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2185 | const TType &baseType = baseExpression->getType(); |
| 2186 | if (baseType.getStruct()) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2187 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2188 | TType copyOfType(baseType.getStruct()); |
| 2189 | indexedExpression->setType(copyOfType); |
| 2190 | } |
| 2191 | else if (baseType.isInterfaceBlock()) |
| 2192 | { |
| 2193 | TType copyOfType(baseType.getInterfaceBlock(), baseType.getQualifier(), baseType.getLayoutQualifier(), 0); |
shannonwoods@chromium.org | e429ab7 | 2013-05-30 00:12:52 +0000 | [diff] [blame] | 2194 | indexedExpression->setType(copyOfType); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2195 | } |
| 2196 | else |
| 2197 | { |
shannonwoods@chromium.org | 09e0988 | 2013-05-30 00:18:25 +0000 | [diff] [blame] | 2198 | indexedExpression->setType(TType(baseExpression->getBasicType(), baseExpression->getPrecision(), EvqTemporary, baseExpression->getNominalSize(), baseExpression->getSecondarySize())); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2199 | } |
| 2200 | |
| 2201 | if (baseExpression->getType().getQualifier() == EvqConst) |
| 2202 | { |
| 2203 | indexedExpression->getTypePointer()->setQualifier(EvqConst); |
| 2204 | } |
| 2205 | } |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2206 | else if (baseExpression->isMatrix()) |
| 2207 | { |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2208 | TQualifier qualifier = baseExpression->getType().getQualifier() == EvqConst ? EvqConst : EvqTemporary; |
| 2209 | indexedExpression->setType(TType(baseExpression->getBasicType(), baseExpression->getPrecision(), qualifier, baseExpression->getRows())); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2210 | } |
| 2211 | else if (baseExpression->isVector()) |
| 2212 | { |
Jamie Madill | 7164cf4 | 2013-07-08 13:30:59 -0400 | [diff] [blame] | 2213 | TQualifier qualifier = baseExpression->getType().getQualifier() == EvqConst ? EvqConst : EvqTemporary; |
| 2214 | indexedExpression->setType(TType(baseExpression->getBasicType(), baseExpression->getPrecision(), qualifier)); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2215 | } |
| 2216 | else |
| 2217 | { |
| 2218 | indexedExpression->setType(baseExpression->getType()); |
| 2219 | } |
| 2220 | |
| 2221 | return indexedExpression; |
| 2222 | } |
| 2223 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 2224 | TIntermTyped* TParseContext::addFieldSelectionExpression(TIntermTyped *baseExpression, const TSourceLoc& dotLocation, const TString &fieldString, const TSourceLoc& fieldLocation) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2225 | { |
| 2226 | TIntermTyped *indexedExpression = NULL; |
| 2227 | |
| 2228 | if (baseExpression->isArray()) |
| 2229 | { |
| 2230 | error(fieldLocation, "cannot apply dot operator to an array", "."); |
| 2231 | recover(); |
| 2232 | } |
| 2233 | |
| 2234 | if (baseExpression->isVector()) |
| 2235 | { |
| 2236 | TVectorFields fields; |
| 2237 | if (!parseVectorFields(fieldString, baseExpression->getNominalSize(), fields, fieldLocation)) |
| 2238 | { |
| 2239 | fields.num = 1; |
| 2240 | fields.offsets[0] = 0; |
| 2241 | recover(); |
| 2242 | } |
| 2243 | |
| 2244 | if (baseExpression->getType().getQualifier() == EvqConst) |
| 2245 | { |
| 2246 | // constant folding for vector fields |
| 2247 | indexedExpression = addConstVectorNode(fields, baseExpression, fieldLocation); |
| 2248 | if (indexedExpression == 0) |
| 2249 | { |
| 2250 | recover(); |
| 2251 | indexedExpression = baseExpression; |
| 2252 | } |
| 2253 | else |
| 2254 | { |
| 2255 | indexedExpression->setType(TType(baseExpression->getBasicType(), baseExpression->getPrecision(), EvqConst, (int) (fieldString).size())); |
| 2256 | } |
| 2257 | } |
| 2258 | else |
| 2259 | { |
| 2260 | TString vectorString = fieldString; |
| 2261 | TIntermTyped* index = intermediate.addSwizzle(fields, fieldLocation); |
| 2262 | indexedExpression = intermediate.addIndex(EOpVectorSwizzle, baseExpression, index, dotLocation); |
| 2263 | indexedExpression->setType(TType(baseExpression->getBasicType(), baseExpression->getPrecision(), EvqTemporary, (int) vectorString.size())); |
| 2264 | } |
| 2265 | } |
| 2266 | else if (baseExpression->isMatrix()) |
| 2267 | { |
| 2268 | TMatrixFields fields; |
shannonwoods@chromium.org | 09e0988 | 2013-05-30 00:18:25 +0000 | [diff] [blame] | 2269 | if (!parseMatrixFields(fieldString, baseExpression->getCols(), baseExpression->getRows(), fields, fieldLocation)) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2270 | { |
| 2271 | fields.wholeRow = false; |
| 2272 | fields.wholeCol = false; |
| 2273 | fields.row = 0; |
| 2274 | fields.col = 0; |
| 2275 | recover(); |
| 2276 | } |
| 2277 | |
| 2278 | if (fields.wholeRow || fields.wholeCol) |
| 2279 | { |
| 2280 | error(dotLocation, " non-scalar fields not implemented yet", "."); |
| 2281 | recover(); |
| 2282 | ConstantUnion *unionArray = new ConstantUnion[1]; |
| 2283 | unionArray->setIConst(0); |
| 2284 | TIntermTyped* index = intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), fieldLocation); |
| 2285 | indexedExpression = intermediate.addIndex(EOpIndexDirect, baseExpression, index, dotLocation); |
shannonwoods@chromium.org | 09e0988 | 2013-05-30 00:18:25 +0000 | [diff] [blame] | 2286 | indexedExpression->setType(TType(baseExpression->getBasicType(), baseExpression->getPrecision(),EvqTemporary, baseExpression->getCols(), baseExpression->getRows())); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2287 | } |
| 2288 | else |
| 2289 | { |
| 2290 | ConstantUnion *unionArray = new ConstantUnion[1]; |
shannonwoods@chromium.org | 09e0988 | 2013-05-30 00:18:25 +0000 | [diff] [blame] | 2291 | unionArray->setIConst(fields.col * baseExpression->getRows() + fields.row); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2292 | TIntermTyped* index = intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), fieldLocation); |
| 2293 | indexedExpression = intermediate.addIndex(EOpIndexDirect, baseExpression, index, dotLocation); |
| 2294 | indexedExpression->setType(TType(baseExpression->getBasicType(), baseExpression->getPrecision())); |
| 2295 | } |
| 2296 | } |
| 2297 | else if (baseExpression->getBasicType() == EbtStruct) |
| 2298 | { |
| 2299 | bool fieldFound = false; |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2300 | const TFieldList& fields = baseExpression->getType().getStruct()->fields(); |
| 2301 | if (fields.empty()) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2302 | { |
| 2303 | error(dotLocation, "structure has no fields", "Internal Error"); |
| 2304 | recover(); |
| 2305 | indexedExpression = baseExpression; |
| 2306 | } |
| 2307 | else |
| 2308 | { |
| 2309 | unsigned int i; |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2310 | for (i = 0; i < fields.size(); ++i) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2311 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2312 | if (fields[i]->name() == fieldString) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2313 | { |
| 2314 | fieldFound = true; |
| 2315 | break; |
| 2316 | } |
| 2317 | } |
| 2318 | if (fieldFound) |
| 2319 | { |
| 2320 | if (baseExpression->getType().getQualifier() == EvqConst) |
| 2321 | { |
| 2322 | indexedExpression = addConstStruct(fieldString, baseExpression, dotLocation); |
| 2323 | if (indexedExpression == 0) |
| 2324 | { |
| 2325 | recover(); |
| 2326 | indexedExpression = baseExpression; |
| 2327 | } |
| 2328 | else |
| 2329 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2330 | indexedExpression->setType(*fields[i]->type()); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2331 | // change the qualifier of the return type, not of the structure field |
| 2332 | // as the structure definition is shared between various structures. |
| 2333 | indexedExpression->getTypePointer()->setQualifier(EvqConst); |
| 2334 | } |
| 2335 | } |
| 2336 | else |
| 2337 | { |
| 2338 | ConstantUnion *unionArray = new ConstantUnion[1]; |
| 2339 | unionArray->setIConst(i); |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2340 | TIntermTyped* index = intermediate.addConstantUnion(unionArray, *fields[i]->type(), fieldLocation); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2341 | indexedExpression = intermediate.addIndex(EOpIndexDirectStruct, baseExpression, index, dotLocation); |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2342 | indexedExpression->setType(*fields[i]->type()); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2343 | } |
| 2344 | } |
| 2345 | else |
| 2346 | { |
| 2347 | error(dotLocation, " no such field in structure", fieldString.c_str()); |
| 2348 | recover(); |
| 2349 | indexedExpression = baseExpression; |
| 2350 | } |
| 2351 | } |
| 2352 | } |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2353 | else if (baseExpression->isInterfaceBlock()) |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2354 | { |
| 2355 | bool fieldFound = false; |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2356 | const TFieldList& fields = baseExpression->getType().getInterfaceBlock()->fields(); |
| 2357 | if (fields.empty()) |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2358 | { |
| 2359 | error(dotLocation, "interface block has no fields", "Internal Error"); |
| 2360 | recover(); |
| 2361 | indexedExpression = baseExpression; |
| 2362 | } |
| 2363 | else |
| 2364 | { |
| 2365 | unsigned int i; |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2366 | for (i = 0; i < fields.size(); ++i) |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2367 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2368 | if (fields[i]->name() == fieldString) |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2369 | { |
| 2370 | fieldFound = true; |
| 2371 | break; |
| 2372 | } |
| 2373 | } |
| 2374 | if (fieldFound) |
| 2375 | { |
| 2376 | ConstantUnion *unionArray = new ConstantUnion[1]; |
| 2377 | unionArray->setIConst(i); |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2378 | TIntermTyped* index = intermediate.addConstantUnion(unionArray, *fields[i]->type(), fieldLocation); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2379 | indexedExpression = intermediate.addIndex(EOpIndexDirectInterfaceBlock, baseExpression, index, dotLocation); |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2380 | indexedExpression->setType(*fields[i]->type()); |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2381 | } |
| 2382 | else |
| 2383 | { |
| 2384 | error(dotLocation, " no such field in interface block", fieldString.c_str()); |
| 2385 | recover(); |
| 2386 | indexedExpression = baseExpression; |
| 2387 | } |
| 2388 | } |
| 2389 | } |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2390 | else |
| 2391 | { |
shannonwoods@chromium.org | 5668c5d | 2013-05-30 00:11:48 +0000 | [diff] [blame] | 2392 | if (shaderVersion < 300) |
| 2393 | { |
| 2394 | error(dotLocation, " field selection requires structure, vector, or matrix on left hand side", fieldString.c_str()); |
| 2395 | } |
| 2396 | else |
| 2397 | { |
| 2398 | error(dotLocation, " field selection requires structure, vector, matrix, or interface block on left hand side", fieldString.c_str()); |
| 2399 | } |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2400 | recover(); |
| 2401 | indexedExpression = baseExpression; |
| 2402 | } |
| 2403 | |
| 2404 | return indexedExpression; |
| 2405 | } |
| 2406 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 2407 | TLayoutQualifier TParseContext::parseLayoutQualifier(const TString &qualifierType, const TSourceLoc& qualifierTypeLine) |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2408 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2409 | TLayoutQualifier qualifier; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2410 | |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2411 | qualifier.location = -1; |
| 2412 | qualifier.matrixPacking = EmpUnspecified; |
| 2413 | qualifier.blockStorage = EbsUnspecified; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2414 | |
| 2415 | if (qualifierType == "shared") |
| 2416 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2417 | qualifier.blockStorage = EbsShared; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2418 | } |
| 2419 | else if (qualifierType == "packed") |
| 2420 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2421 | qualifier.blockStorage = EbsPacked; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2422 | } |
| 2423 | else if (qualifierType == "std140") |
| 2424 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2425 | qualifier.blockStorage = EbsStd140; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2426 | } |
| 2427 | else if (qualifierType == "row_major") |
| 2428 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2429 | qualifier.matrixPacking = EmpRowMajor; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2430 | } |
| 2431 | else if (qualifierType == "column_major") |
| 2432 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2433 | qualifier.matrixPacking = EmpColumnMajor; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2434 | } |
| 2435 | else if (qualifierType == "location") |
| 2436 | { |
| 2437 | error(qualifierTypeLine, "invalid layout qualifier", qualifierType.c_str(), "location requires an argument"); |
| 2438 | recover(); |
| 2439 | } |
| 2440 | else |
| 2441 | { |
| 2442 | error(qualifierTypeLine, "invalid layout qualifier", qualifierType.c_str()); |
| 2443 | recover(); |
| 2444 | } |
| 2445 | |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2446 | return qualifier; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2447 | } |
| 2448 | |
Jamie Madill | 075edd8 | 2013-07-08 13:30:19 -0400 | [diff] [blame] | 2449 | TLayoutQualifier TParseContext::parseLayoutQualifier(const TString &qualifierType, const TSourceLoc& qualifierTypeLine, const TString &intValueString, int intValue, const TSourceLoc& intValueLine) |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2450 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2451 | TLayoutQualifier qualifier; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2452 | |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2453 | qualifier.location = -1; |
| 2454 | qualifier.matrixPacking = EmpUnspecified; |
| 2455 | qualifier.blockStorage = EbsUnspecified; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2456 | |
| 2457 | if (qualifierType != "location") |
| 2458 | { |
| 2459 | error(qualifierTypeLine, "invalid layout qualifier", qualifierType.c_str(), "only location may have arguments"); |
| 2460 | recover(); |
| 2461 | } |
| 2462 | else |
| 2463 | { |
Jamie Madill | 05a80ce | 2013-06-20 11:55:49 -0400 | [diff] [blame] | 2464 | // must check that location is non-negative |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2465 | if (intValue < 0) |
| 2466 | { |
Jamie Madill | 05a80ce | 2013-06-20 11:55:49 -0400 | [diff] [blame] | 2467 | error(intValueLine, "out of range:", intValueString.c_str(), "location must be non-negative"); |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2468 | recover(); |
| 2469 | } |
| 2470 | else |
| 2471 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2472 | qualifier.location = intValue; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2473 | } |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2474 | } |
| 2475 | |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2476 | return qualifier; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2477 | } |
| 2478 | |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2479 | TLayoutQualifier TParseContext::joinLayoutQualifiers(TLayoutQualifier leftQualifier, TLayoutQualifier rightQualifier) |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2480 | { |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2481 | TLayoutQualifier joinedQualifier = leftQualifier; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2482 | |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2483 | if (rightQualifier.location != -1) |
| 2484 | { |
| 2485 | joinedQualifier.location = rightQualifier.location; |
| 2486 | } |
| 2487 | if (rightQualifier.matrixPacking != EmpUnspecified) |
| 2488 | { |
| 2489 | joinedQualifier.matrixPacking = rightQualifier.matrixPacking; |
| 2490 | } |
| 2491 | if (rightQualifier.blockStorage != EbsUnspecified) |
| 2492 | { |
| 2493 | joinedQualifier.blockStorage = rightQualifier.blockStorage; |
| 2494 | } |
| 2495 | |
| 2496 | return joinedQualifier; |
shannonwoods@chromium.org | 302adfe | 2013-05-30 00:21:06 +0000 | [diff] [blame] | 2497 | } |
| 2498 | |
Jamie Madill | f2e0f9b | 2013-08-26 16:39:42 -0400 | [diff] [blame] | 2499 | TPublicType TParseContext::joinInterpolationQualifiers(const TSourceLoc &interpolationLoc, TQualifier interpolationQualifier, |
| 2500 | const TSourceLoc &storageLoc, TQualifier storageQualifier) |
| 2501 | { |
| 2502 | TQualifier mergedQualifier = EvqSmoothIn; |
| 2503 | |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 2504 | if (storageQualifier == EvqFragmentIn) { |
Jamie Madill | f2e0f9b | 2013-08-26 16:39:42 -0400 | [diff] [blame] | 2505 | if (interpolationQualifier == EvqSmooth) |
| 2506 | mergedQualifier = EvqSmoothIn; |
| 2507 | else if (interpolationQualifier == EvqFlat) |
| 2508 | mergedQualifier = EvqFlatIn; |
| 2509 | else UNREACHABLE(); |
| 2510 | } |
| 2511 | else if (storageQualifier == EvqCentroidIn) { |
| 2512 | if (interpolationQualifier == EvqSmooth) |
| 2513 | mergedQualifier = EvqCentroidIn; |
| 2514 | else if (interpolationQualifier == EvqFlat) |
| 2515 | mergedQualifier = EvqFlatIn; |
| 2516 | else UNREACHABLE(); |
| 2517 | } |
Jamie Madill | 1957181 | 2013-08-12 15:26:34 -0700 | [diff] [blame] | 2518 | else if (storageQualifier == EvqVertexOut) { |
Jamie Madill | f2e0f9b | 2013-08-26 16:39:42 -0400 | [diff] [blame] | 2519 | if (interpolationQualifier == EvqSmooth) |
| 2520 | mergedQualifier = EvqSmoothOut; |
| 2521 | else if (interpolationQualifier == EvqFlat) |
| 2522 | mergedQualifier = EvqFlatOut; |
| 2523 | else UNREACHABLE(); |
| 2524 | } |
| 2525 | else if (storageQualifier == EvqCentroidOut) { |
| 2526 | if (interpolationQualifier == EvqSmooth) |
| 2527 | mergedQualifier = EvqCentroidOut; |
| 2528 | else if (interpolationQualifier == EvqFlat) |
| 2529 | mergedQualifier = EvqFlatOut; |
| 2530 | else UNREACHABLE(); |
| 2531 | } |
| 2532 | else { |
| 2533 | error(interpolationLoc, "interpolation qualifier requires a fragment 'in' or vertex 'out' storage qualifier", getInterpolationString(interpolationQualifier)); |
| 2534 | recover(); |
| 2535 | |
| 2536 | mergedQualifier = storageQualifier; |
| 2537 | } |
| 2538 | |
| 2539 | TPublicType type; |
| 2540 | type.setBasic(EbtVoid, mergedQualifier, storageLoc); |
| 2541 | return type; |
| 2542 | } |
| 2543 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2544 | TFieldList *TParseContext::addStructDeclaratorList(const TPublicType& typeSpecifier, TFieldList *fieldList) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2545 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2546 | if (voidErrorCheck(typeSpecifier.line, (*fieldList)[0]->name(), typeSpecifier)) { |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2547 | recover(); |
| 2548 | } |
| 2549 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2550 | for (unsigned int i = 0; i < fieldList->size(); ++i) { |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2551 | // |
| 2552 | // Careful not to replace already known aspects of type, like array-ness |
| 2553 | // |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2554 | TType* type = (*fieldList)[i]->type(); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2555 | type->setBasicType(typeSpecifier.type); |
shannonwoods@chromium.org | 09e0988 | 2013-05-30 00:18:25 +0000 | [diff] [blame] | 2556 | type->setPrimarySize(typeSpecifier.primarySize); |
| 2557 | type->setSecondarySize(typeSpecifier.secondarySize); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2558 | type->setPrecision(typeSpecifier.precision); |
| 2559 | type->setQualifier(typeSpecifier.qualifier); |
Jamie Madill | a5efff9 | 2013-06-06 11:56:47 -0400 | [diff] [blame] | 2560 | type->setLayoutQualifier(typeSpecifier.layoutQualifier); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2561 | |
| 2562 | // don't allow arrays of arrays |
| 2563 | if (type->isArray()) { |
| 2564 | if (arrayTypeErrorCheck(typeSpecifier.line, typeSpecifier)) |
| 2565 | recover(); |
| 2566 | } |
| 2567 | if (typeSpecifier.array) |
| 2568 | type->setArraySize(typeSpecifier.arraySize); |
| 2569 | if (typeSpecifier.userDef) { |
| 2570 | type->setStruct(typeSpecifier.userDef->getStruct()); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2571 | } |
| 2572 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2573 | if (structNestingErrorCheck(typeSpecifier.line, *(*fieldList)[i])) { |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2574 | recover(); |
| 2575 | } |
| 2576 | } |
| 2577 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2578 | return fieldList; |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2579 | } |
| 2580 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2581 | TPublicType TParseContext::addStructure(const TSourceLoc& structLine, const TSourceLoc& nameLine, const TString *structName, TFieldList* fieldList) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2582 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2583 | TStructure* structure = new TStructure(structName, fieldList); |
| 2584 | TType* structureType = new TType(structure); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2585 | |
Jamie Madill | bfa91f4 | 2014-06-05 15:45:18 -0400 | [diff] [blame] | 2586 | structure->setUniqueId(TSymbolTable::nextUniqueId()); |
| 2587 | |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2588 | if (!structName->empty()) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2589 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2590 | if (reservedErrorCheck(nameLine, *structName)) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2591 | { |
| 2592 | recover(); |
| 2593 | } |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2594 | TVariable* userTypeDef = new TVariable(structName, *structureType, true); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2595 | if (!symbolTable.declare(*userTypeDef)) { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2596 | error(nameLine, "redefinition", structName->c_str(), "struct"); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2597 | recover(); |
| 2598 | } |
| 2599 | } |
| 2600 | |
| 2601 | // ensure we do not specify any storage qualifiers on the struct members |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2602 | for (unsigned int typeListIndex = 0; typeListIndex < fieldList->size(); typeListIndex++) |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2603 | { |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2604 | const TField &field = *(*fieldList)[typeListIndex]; |
| 2605 | const TQualifier qualifier = field.type()->getQualifier(); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2606 | switch (qualifier) |
| 2607 | { |
| 2608 | case EvqGlobal: |
| 2609 | case EvqTemporary: |
| 2610 | break; |
| 2611 | default: |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2612 | error(field.line(), "invalid qualifier on struct member", getQualifierString(qualifier)); |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2613 | recover(); |
| 2614 | break; |
| 2615 | } |
| 2616 | } |
| 2617 | |
| 2618 | TPublicType publicType; |
| 2619 | publicType.setBasic(EbtStruct, EvqTemporary, structLine); |
Jamie Madill | 98493dd | 2013-07-08 14:39:03 -0400 | [diff] [blame] | 2620 | publicType.userDef = structureType; |
shannonwoods@chromium.org | a910088 | 2013-05-30 00:11:39 +0000 | [diff] [blame] | 2621 | exitStructDeclaration(); |
| 2622 | |
| 2623 | return publicType; |
| 2624 | } |
| 2625 | |
| 2626 | // |
alokp@chromium.org | 044a5cf | 2010-11-12 15:42:16 +0000 | [diff] [blame] | 2627 | // Parse an array of strings using yyparse. |
| 2628 | // |
| 2629 | // Returns 0 for success. |
| 2630 | // |
shannon.woods@transgaming.com | d64b3da | 2013-02-28 23:19:26 +0000 | [diff] [blame] | 2631 | int PaParseStrings(size_t count, const char* const string[], const int length[], |
alokp@chromium.org | 044a5cf | 2010-11-12 15:42:16 +0000 | [diff] [blame] | 2632 | TParseContext* context) { |
| 2633 | if ((count == 0) || (string == NULL)) |
| 2634 | return 1; |
| 2635 | |
alokp@chromium.org | 044a5cf | 2010-11-12 15:42:16 +0000 | [diff] [blame] | 2636 | if (glslang_initialize(context)) |
| 2637 | return 1; |
| 2638 | |
alokp@chromium.org | 408c45e | 2012-04-05 15:54:43 +0000 | [diff] [blame] | 2639 | int error = glslang_scan(count, string, length, context); |
| 2640 | if (!error) |
| 2641 | error = glslang_parse(context); |
alokp@chromium.org | 044a5cf | 2010-11-12 15:42:16 +0000 | [diff] [blame] | 2642 | |
alokp@chromium.org | 73bc298 | 2012-06-19 18:48:05 +0000 | [diff] [blame] | 2643 | glslang_finalize(context); |
alokp@chromium.org | 8b851c6 | 2012-06-15 16:25:11 +0000 | [diff] [blame] | 2644 | |
alokp@chromium.org | 6b49571 | 2012-06-29 00:06:58 +0000 | [diff] [blame] | 2645 | return (error == 0) && (context->numErrors() == 0) ? 0 : 1; |
alokp@chromium.org | 044a5cf | 2010-11-12 15:42:16 +0000 | [diff] [blame] | 2646 | } |
| 2647 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 2648 | |
alokp@chromium.org | 34b99cd | 2010-07-27 18:37:55 +0000 | [diff] [blame] | 2649 | |