Shinichiro Hamaji | 1d545aa | 2015-06-23 15:29:13 +0900 | [diff] [blame] | 1 | // Copyright 2015 Google Inc. All rights reserved |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
Fumitoshi Ukai | 744bb2b | 2015-06-25 00:10:52 +0900 | [diff] [blame] | 15 | // +build ignore |
| 16 | |
Shinichiro Hamaji | 645cca7 | 2015-09-24 17:04:21 +0900 | [diff] [blame] | 17 | #include "expr.h" |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 18 | |
| 19 | #include <vector> |
| 20 | |
| 21 | #include "eval.h" |
| 22 | #include "func.h" |
| 23 | #include "log.h" |
| 24 | #include "stringprintf.h" |
| 25 | #include "strutil.h" |
| 26 | #include "var.h" |
| 27 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 28 | Evaluable::Evaluable() {} |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 29 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 30 | Evaluable::~Evaluable() {} |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 31 | |
Shinichiro Hamaji | fb415ad | 2015-08-14 17:19:34 +0900 | [diff] [blame] | 32 | string Evaluable::Eval(Evaluator* ev) const { |
| 33 | string s; |
| 34 | Eval(ev, &s); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 35 | return s; |
| 36 | } |
| 37 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 38 | Value::Value() {} |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 39 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 40 | Value::~Value() {} |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 41 | |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 42 | string Value::DebugString(const Value* v) { |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 43 | return v ? NoLineBreak(v->DebugString_()) : "(null)"; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | class Literal : public Value { |
| 47 | public: |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 48 | explicit Literal(StringPiece s) : s_(s) {} |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 49 | |
| 50 | StringPiece val() const { return s_; } |
| 51 | |
Dan Willemsen | 36e5729 | 2017-10-09 11:23:32 -0700 | [diff] [blame] | 52 | virtual void Eval(Evaluator* ev, string* s) const override { |
| 53 | ev->CheckStack(); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 54 | s->append(s_.begin(), s_.end()); |
| 55 | } |
| 56 | |
Shinichiro Hamaji | 4b351ab | 2016-02-12 19:42:30 +0900 | [diff] [blame] | 57 | virtual bool IsLiteral() const override { return true; } |
Shinichiro Hamaji | 71f5813 | 2016-02-22 16:20:27 +0900 | [diff] [blame] | 58 | virtual StringPiece GetLiteralValueUnsafe() const override { return s_; } |
Shinichiro Hamaji | 347e06f | 2016-01-05 14:41:53 +0900 | [diff] [blame] | 59 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 60 | virtual string DebugString_() const override { return s_.as_string(); } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 61 | |
| 62 | private: |
| 63 | StringPiece s_; |
| 64 | }; |
| 65 | |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 66 | class ValueList : public Value { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 67 | public: |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 68 | ValueList() {} |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 69 | |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 70 | ValueList(Value* v1, Value* v2, Value* v3) : ValueList() { |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 71 | vals_.reserve(3); |
| 72 | vals_.push_back(v1); |
| 73 | vals_.push_back(v2); |
| 74 | vals_.push_back(v3); |
| 75 | } |
| 76 | |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 77 | ValueList(Value* v1, Value* v2) : ValueList() { |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 78 | vals_.reserve(2); |
| 79 | vals_.push_back(v1); |
| 80 | vals_.push_back(v2); |
| 81 | } |
| 82 | |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 83 | ValueList(vector<Value*>* values) : ValueList() { |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 84 | values->shrink_to_fit(); |
| 85 | values->swap(vals_); |
| 86 | } |
| 87 | |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 88 | virtual ~ValueList() { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 89 | for (Value* v : vals_) { |
| 90 | delete v; |
| 91 | } |
| 92 | } |
| 93 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 94 | virtual void Eval(Evaluator* ev, string* s) const override { |
Dan Willemsen | 36e5729 | 2017-10-09 11:23:32 -0700 | [diff] [blame] | 95 | ev->CheckStack(); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 96 | for (Value* v : vals_) { |
| 97 | v->Eval(ev, s); |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | virtual string DebugString_() const override { |
| 102 | string r; |
| 103 | for (Value* v : vals_) { |
| 104 | if (r.empty()) { |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 105 | r += "ValueList("; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 106 | } else { |
| 107 | r += ", "; |
| 108 | } |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 109 | r += DebugString(v); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 110 | } |
Shinichiro Hamaji | baf2c38 | 2015-07-07 14:53:02 +0900 | [diff] [blame] | 111 | if (!r.empty()) |
| 112 | r += ")"; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 113 | return r; |
| 114 | } |
| 115 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 116 | private: |
| 117 | vector<Value*> vals_; |
| 118 | }; |
| 119 | |
Shinichiro Hamaji | 65489db | 2015-06-29 20:44:26 +0900 | [diff] [blame] | 120 | class SymRef : public Value { |
| 121 | public: |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 122 | explicit SymRef(Symbol n) : name_(n) {} |
| 123 | virtual ~SymRef() {} |
Shinichiro Hamaji | 65489db | 2015-06-29 20:44:26 +0900 | [diff] [blame] | 124 | |
Shinichiro Hamaji | 65489db | 2015-06-29 20:44:26 +0900 | [diff] [blame] | 125 | virtual void Eval(Evaluator* ev, string* s) const override { |
Dan Willemsen | 36e5729 | 2017-10-09 11:23:32 -0700 | [diff] [blame] | 126 | ev->CheckStack(); |
Shinichiro Hamaji | 65489db | 2015-06-29 20:44:26 +0900 | [diff] [blame] | 127 | Var* v = ev->LookupVar(name_); |
Dan Willemsen | 276e96a | 2017-10-03 14:24:48 -0700 | [diff] [blame] | 128 | v->Used(ev, name_); |
Shinichiro Hamaji | 65489db | 2015-06-29 20:44:26 +0900 | [diff] [blame] | 129 | v->Eval(ev, s); |
| 130 | } |
| 131 | |
| 132 | virtual string DebugString_() const override { |
| 133 | return StringPrintf("SymRef(%s)", name_.c_str()); |
| 134 | } |
| 135 | |
| 136 | private: |
| 137 | Symbol name_; |
| 138 | }; |
| 139 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 140 | class VarRef : public Value { |
| 141 | public: |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 142 | explicit VarRef(Value* n) : name_(n) {} |
| 143 | virtual ~VarRef() { delete name_; } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 144 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 145 | virtual void Eval(Evaluator* ev, string* s) const override { |
Dan Willemsen | 36e5729 | 2017-10-09 11:23:32 -0700 | [diff] [blame] | 146 | ev->CheckStack(); |
Shinichiro Hamaji | 28da237 | 2015-11-30 19:03:53 +0900 | [diff] [blame] | 147 | ev->IncrementEvalDepth(); |
Shinichiro Hamaji | fb415ad | 2015-08-14 17:19:34 +0900 | [diff] [blame] | 148 | const string&& name = name_->Eval(ev); |
Shinichiro Hamaji | 28da237 | 2015-11-30 19:03:53 +0900 | [diff] [blame] | 149 | ev->DecrementEvalDepth(); |
Dan Willemsen | 276e96a | 2017-10-03 14:24:48 -0700 | [diff] [blame] | 150 | Symbol sym = Intern(name); |
| 151 | Var* v = ev->LookupVar(sym); |
| 152 | v->Used(ev, sym); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 153 | v->Eval(ev, s); |
| 154 | } |
| 155 | |
| 156 | virtual string DebugString_() const override { |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 157 | return StringPrintf("VarRef(%s)", Value::DebugString(name_).c_str()); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | private: |
| 161 | Value* name_; |
| 162 | }; |
| 163 | |
Shinichiro Hamaji | 02fc55b | 2015-06-16 17:19:07 +0900 | [diff] [blame] | 164 | class VarSubst : public Value { |
| 165 | public: |
| 166 | explicit VarSubst(Value* n, Value* p, Value* s) |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 167 | : name_(n), pat_(p), subst_(s) {} |
Shinichiro Hamaji | 02fc55b | 2015-06-16 17:19:07 +0900 | [diff] [blame] | 168 | virtual ~VarSubst() { |
| 169 | delete name_; |
| 170 | delete pat_; |
| 171 | delete subst_; |
| 172 | } |
| 173 | |
| 174 | virtual void Eval(Evaluator* ev, string* s) const override { |
Dan Willemsen | 36e5729 | 2017-10-09 11:23:32 -0700 | [diff] [blame] | 175 | ev->CheckStack(); |
Shinichiro Hamaji | 28da237 | 2015-11-30 19:03:53 +0900 | [diff] [blame] | 176 | ev->IncrementEvalDepth(); |
Shinichiro Hamaji | fb415ad | 2015-08-14 17:19:34 +0900 | [diff] [blame] | 177 | const string&& name = name_->Eval(ev); |
Dan Willemsen | 276e96a | 2017-10-03 14:24:48 -0700 | [diff] [blame] | 178 | Symbol sym = Intern(name); |
| 179 | Var* v = ev->LookupVar(sym); |
Shinichiro Hamaji | fb415ad | 2015-08-14 17:19:34 +0900 | [diff] [blame] | 180 | const string&& pat_str = pat_->Eval(ev); |
| 181 | const string&& subst = subst_->Eval(ev); |
Shinichiro Hamaji | 28da237 | 2015-11-30 19:03:53 +0900 | [diff] [blame] | 182 | ev->DecrementEvalDepth(); |
Dan Willemsen | 276e96a | 2017-10-03 14:24:48 -0700 | [diff] [blame] | 183 | v->Used(ev, sym); |
Shinichiro Hamaji | 28da237 | 2015-11-30 19:03:53 +0900 | [diff] [blame] | 184 | const string&& value = v->Eval(ev); |
Shinichiro Hamaji | 37591ce | 2015-06-16 19:36:05 +0900 | [diff] [blame] | 185 | WordWriter ww(s); |
Shinichiro Hamaji | fb415ad | 2015-08-14 17:19:34 +0900 | [diff] [blame] | 186 | Pattern pat(pat_str); |
| 187 | for (StringPiece tok : WordScanner(value)) { |
Shinichiro Hamaji | 37591ce | 2015-06-16 19:36:05 +0900 | [diff] [blame] | 188 | ww.MaybeAddWhitespace(); |
Shinichiro Hamaji | fb415ad | 2015-08-14 17:19:34 +0900 | [diff] [blame] | 189 | pat.AppendSubstRef(tok, subst, s); |
Shinichiro Hamaji | 02fc55b | 2015-06-16 17:19:07 +0900 | [diff] [blame] | 190 | } |
| 191 | } |
| 192 | |
| 193 | virtual string DebugString_() const override { |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 194 | return StringPrintf("VarSubst(%s:%s=%s)", Value::DebugString(name_).c_str(), |
| 195 | Value::DebugString(pat_).c_str(), |
| 196 | Value::DebugString(subst_).c_str()); |
Shinichiro Hamaji | 02fc55b | 2015-06-16 17:19:07 +0900 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | private: |
| 200 | Value* name_; |
| 201 | Value* pat_; |
| 202 | Value* subst_; |
| 203 | }; |
| 204 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 205 | class Func : public Value { |
| 206 | public: |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 207 | explicit Func(FuncInfo* fi) : fi_(fi) {} |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 208 | |
Shinichiro Hamaji | d0e188e | 2015-06-16 18:53:01 +0900 | [diff] [blame] | 209 | ~Func() { |
| 210 | for (Value* a : args_) |
| 211 | delete a; |
| 212 | } |
| 213 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 214 | virtual void Eval(Evaluator* ev, string* s) const override { |
Dan Willemsen | 36e5729 | 2017-10-09 11:23:32 -0700 | [diff] [blame] | 215 | ev->CheckStack(); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 216 | LOG("Invoke func %s(%s)", name(), JoinValues(args_, ",").c_str()); |
Shinichiro Hamaji | 28da237 | 2015-11-30 19:03:53 +0900 | [diff] [blame] | 217 | ev->IncrementEvalDepth(); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 218 | fi_->func(args_, ev, s); |
Shinichiro Hamaji | 28da237 | 2015-11-30 19:03:53 +0900 | [diff] [blame] | 219 | ev->DecrementEvalDepth(); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | virtual string DebugString_() const override { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 223 | return StringPrintf("Func(%s %s)", fi_->name, |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 224 | JoinValues(args_, ",").c_str()); |
| 225 | } |
| 226 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 227 | void AddArg(Value* v) { args_.push_back(v); } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 228 | |
| 229 | const char* name() const { return fi_->name; } |
| 230 | int arity() const { return fi_->arity; } |
Shinichiro Hamaji | fead3b7 | 2015-06-18 15:31:15 +0900 | [diff] [blame] | 231 | int min_arity() const { return fi_->min_arity; } |
| 232 | bool trim_space() const { return fi_->trim_space; } |
| 233 | bool trim_right_space_1st() const { return fi_->trim_right_space_1st; } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 234 | |
| 235 | private: |
| 236 | FuncInfo* fi_; |
| 237 | vector<Value*> args_; |
| 238 | }; |
| 239 | |
| 240 | static char CloseParen(char c) { |
| 241 | switch (c) { |
| 242 | case '(': |
| 243 | return ')'; |
| 244 | case '{': |
| 245 | return '}'; |
| 246 | } |
| 247 | return 0; |
| 248 | } |
| 249 | |
| 250 | static size_t SkipSpaces(StringPiece s, const char* terms) { |
| 251 | for (size_t i = 0; i < s.size(); i++) { |
| 252 | char c = s[i]; |
Shinichiro Hamaji | 64cf891 | 2015-06-26 09:25:19 +0900 | [diff] [blame] | 253 | if (strchr(terms, c)) |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 254 | return i; |
Shinichiro Hamaji | 64cf891 | 2015-06-26 09:25:19 +0900 | [diff] [blame] | 255 | if (!isspace(c)) { |
| 256 | if (c != '\\') |
| 257 | return i; |
| 258 | char n = s.get(i + 1); |
| 259 | if (n != '\r' && n != '\n') |
| 260 | return i; |
| 261 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 262 | } |
| 263 | return s.size(); |
| 264 | } |
| 265 | |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 266 | Value* Value::NewExpr(Value* v1, Value* v2) { |
| 267 | return new ValueList(v1, v2); |
| 268 | } |
| 269 | |
| 270 | Value* Value::NewExpr(Value* v1, Value* v2, Value* v3) { |
| 271 | return new ValueList(v1, v2, v3); |
| 272 | } |
| 273 | |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 274 | Value* Value::NewExpr(vector<Value*>* values) { |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 275 | if (values->size() == 1) { |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 276 | Value* v = (*values)[0]; |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 277 | values->clear(); |
| 278 | return v; |
| 279 | } |
| 280 | return new ValueList(values); |
| 281 | } |
| 282 | |
| 283 | Value* Value::NewLiteral(StringPiece s) { |
| 284 | return new Literal(s); |
| 285 | } |
| 286 | |
Shinichiro Hamaji | 4d77b84 | 2015-06-27 06:10:18 +0900 | [diff] [blame] | 287 | bool ShouldHandleComments(ParseExprOpt opt) { |
| 288 | return opt != ParseExprOpt::DEFINE && opt != ParseExprOpt::COMMAND; |
| 289 | } |
| 290 | |
Shinichiro Hamaji | 663a35b | 2015-07-05 01:50:41 +0900 | [diff] [blame] | 291 | void ParseFunc(const Loc& loc, |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 292 | Func* f, |
| 293 | StringPiece s, |
| 294 | size_t i, |
| 295 | char* terms, |
Shinichiro Hamaji | 663a35b | 2015-07-05 01:50:41 +0900 | [diff] [blame] | 296 | size_t* index_out) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 297 | terms[1] = ','; |
| 298 | terms[2] = '\0'; |
| 299 | i += SkipSpaces(s.substr(i), terms); |
| 300 | if (i == s.size()) { |
| 301 | *index_out = i; |
Shinichiro Hamaji | 663a35b | 2015-07-05 01:50:41 +0900 | [diff] [blame] | 302 | return; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | int nargs = 1; |
| 306 | while (true) { |
| 307 | if (f->arity() && nargs >= f->arity()) { |
| 308 | terms[1] = '\0'; // Drop ','. |
| 309 | } |
| 310 | |
Shinichiro Hamaji | fead3b7 | 2015-06-18 15:31:15 +0900 | [diff] [blame] | 311 | if (f->trim_space()) { |
Shinichiro Hamaji | c8b4b1c | 2015-07-07 14:57:53 +0900 | [diff] [blame] | 312 | for (; i < s.size(); i++) { |
| 313 | if (isspace(s[i])) |
| 314 | continue; |
| 315 | if (s[i] == '\\') { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 316 | char c = s.get(i + 1); |
Shinichiro Hamaji | c8b4b1c | 2015-07-07 14:57:53 +0900 | [diff] [blame] | 317 | if (c == '\r' || c == '\n') |
| 318 | continue; |
| 319 | } |
| 320 | break; |
| 321 | } |
Shinichiro Hamaji | fead3b7 | 2015-06-18 15:31:15 +0900 | [diff] [blame] | 322 | } |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 323 | const bool trim_right_space = |
| 324 | (f->trim_space() || (nargs == 1 && f->trim_right_space_1st())); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 325 | size_t n; |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 326 | Value* v = ParseExprImpl(loc, s.substr(i), terms, ParseExprOpt::FUNC, &n, |
| 327 | trim_right_space); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 328 | // TODO: concatLine??? |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 329 | f->AddArg(v); |
| 330 | i += n; |
Shinichiro Hamaji | 663a35b | 2015-07-05 01:50:41 +0900 | [diff] [blame] | 331 | if (i == s.size()) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 332 | ERROR_LOC(loc, |
| 333 | "*** unterminated call to function '%s': " |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 334 | "missing '%c'.", |
| 335 | f->name(), terms[0]); |
Shinichiro Hamaji | 663a35b | 2015-07-05 01:50:41 +0900 | [diff] [blame] | 336 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 337 | nargs++; |
| 338 | if (s[i] == terms[0]) { |
| 339 | i++; |
| 340 | break; |
| 341 | } |
| 342 | i++; // Should be ','. |
| 343 | if (i == s.size()) |
| 344 | break; |
| 345 | } |
| 346 | |
Shinichiro Hamaji | fead3b7 | 2015-06-18 15:31:15 +0900 | [diff] [blame] | 347 | if (nargs <= f->min_arity()) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 348 | ERROR_LOC(loc, |
| 349 | "*** insufficient number of arguments (%d) to function `%s'.", |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 350 | nargs - 1, f->name()); |
Shinichiro Hamaji | 81b2d0f | 2015-06-16 19:25:35 +0900 | [diff] [blame] | 351 | } |
| 352 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 353 | *index_out = i; |
Shinichiro Hamaji | 663a35b | 2015-07-05 01:50:41 +0900 | [diff] [blame] | 354 | return; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 355 | } |
| 356 | |
Shinichiro Hamaji | 36b326f | 2015-06-26 08:56:13 +0900 | [diff] [blame] | 357 | Value* ParseDollar(const Loc& loc, StringPiece s, size_t* index_out) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 358 | CHECK(s.size() >= 2); |
| 359 | CHECK(s[0] == '$'); |
| 360 | CHECK(s[1] != '$'); |
| 361 | |
| 362 | char cp = CloseParen(s[1]); |
| 363 | if (cp == 0) { |
| 364 | *index_out = 2; |
Shinichiro Hamaji | 65489db | 2015-06-29 20:44:26 +0900 | [diff] [blame] | 365 | return new SymRef(Intern(s.substr(1, 1))); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | char terms[] = {cp, ':', ' ', 0}; |
| 369 | for (size_t i = 2;;) { |
| 370 | size_t n; |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 371 | Value* vname = |
| 372 | ParseExprImpl(loc, s.substr(i), terms, ParseExprOpt::NORMAL, &n); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 373 | i += n; |
| 374 | if (s[i] == cp) { |
| 375 | *index_out = i + 1; |
Shinichiro Hamaji | 347e06f | 2016-01-05 14:41:53 +0900 | [diff] [blame] | 376 | if (vname->IsLiteral()) { |
| 377 | Literal* lit = static_cast<Literal*>(vname); |
Shinichiro Hamaji | 82e2009 | 2015-11-17 15:18:28 +0900 | [diff] [blame] | 378 | Symbol sym = Intern(lit->val()); |
| 379 | if (g_flags.enable_kati_warnings) { |
| 380 | size_t found = sym.str().find_first_of(" ({"); |
| 381 | if (found != string::npos) { |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 382 | KATI_WARN_LOC(loc, "*warning*: variable lookup with '%c': %.*s", |
| 383 | sym.str()[found], SPF(s)); |
Shinichiro Hamaji | 82e2009 | 2015-11-17 15:18:28 +0900 | [diff] [blame] | 384 | } |
| 385 | } |
| 386 | Value* r = new SymRef(sym); |
Shinichiro Hamaji | 65489db | 2015-06-29 20:44:26 +0900 | [diff] [blame] | 387 | delete lit; |
| 388 | return r; |
| 389 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 390 | return new VarRef(vname); |
| 391 | } |
| 392 | |
Shinichiro Hamaji | a0315fc | 2015-06-26 08:15:55 +0900 | [diff] [blame] | 393 | if (s[i] == ' ' || s[i] == '\\') { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 394 | // ${func ...} |
Shinichiro Hamaji | 347e06f | 2016-01-05 14:41:53 +0900 | [diff] [blame] | 395 | if (vname->IsLiteral()) { |
| 396 | Literal* lit = static_cast<Literal*>(vname); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 397 | if (FuncInfo* fi = GetFuncInfo(lit->val())) { |
Shinichiro Hamaji | d0e188e | 2015-06-16 18:53:01 +0900 | [diff] [blame] | 398 | delete lit; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 399 | Func* func = new Func(fi); |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 400 | ParseFunc(loc, func, s, i + 1, terms, index_out); |
Shinichiro Hamaji | 663a35b | 2015-07-05 01:50:41 +0900 | [diff] [blame] | 401 | return func; |
Shinichiro Hamaji | 82e2009 | 2015-11-17 15:18:28 +0900 | [diff] [blame] | 402 | } else { |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 403 | KATI_WARN_LOC(loc, "*warning*: unknown make function '%.*s': %.*s", |
| 404 | SPF(lit->val()), SPF(s)); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 405 | } |
| 406 | } |
| 407 | |
| 408 | // Not a function. Drop ' ' from |terms| and parse it |
| 409 | // again. This is inefficient, but this code path should be |
| 410 | // rarely used. |
| 411 | delete vname; |
| 412 | terms[2] = 0; |
| 413 | i = 2; |
| 414 | continue; |
| 415 | } |
| 416 | |
| 417 | if (s[i] == ':') { |
Shinichiro Hamaji | 02fc55b | 2015-06-16 17:19:07 +0900 | [diff] [blame] | 418 | terms[2] = '\0'; |
| 419 | terms[1] = '='; |
| 420 | size_t n; |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 421 | Value* pat = |
| 422 | ParseExprImpl(loc, s.substr(i + 1), terms, ParseExprOpt::NORMAL, &n); |
Shinichiro Hamaji | 02fc55b | 2015-06-16 17:19:07 +0900 | [diff] [blame] | 423 | i += 1 + n; |
| 424 | if (s[i] == cp) { |
Shinichiro Hamaji | f72e024 | 2015-06-26 00:38:27 +0900 | [diff] [blame] | 425 | *index_out = i + 1; |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 426 | return new VarRef(Value::NewExpr(vname, new Literal(":"), pat)); |
Shinichiro Hamaji | 02fc55b | 2015-06-16 17:19:07 +0900 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | terms[1] = '\0'; |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 430 | Value* subst = |
| 431 | ParseExprImpl(loc, s.substr(i + 1), terms, ParseExprOpt::NORMAL, &n); |
Shinichiro Hamaji | 02fc55b | 2015-06-16 17:19:07 +0900 | [diff] [blame] | 432 | i += 1 + n; |
Shinichiro Hamaji | f72e024 | 2015-06-26 00:38:27 +0900 | [diff] [blame] | 433 | *index_out = i + 1; |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 434 | return new VarSubst(vname, pat, subst); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 435 | } |
| 436 | |
Shinichiro Hamaji | 0f7af70 | 2015-07-05 02:00:18 +0900 | [diff] [blame] | 437 | // GNU make accepts expressions like $((). See unmatched_paren*.mk |
| 438 | // for detail. |
Shinichiro Hamaji | 663a35b | 2015-07-05 01:50:41 +0900 | [diff] [blame] | 439 | size_t found = s.find(cp); |
Shinichiro Hamaji | 0f7af70 | 2015-07-05 02:00:18 +0900 | [diff] [blame] | 440 | if (found != string::npos) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 441 | KATI_WARN_LOC(loc, "*warning*: unmatched parentheses: %.*s", SPF(s)); |
Shinichiro Hamaji | 0f7af70 | 2015-07-05 02:00:18 +0900 | [diff] [blame] | 442 | *index_out = s.size(); |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 443 | return new SymRef(Intern(s.substr(2, found - 2))); |
Shinichiro Hamaji | 0f7af70 | 2015-07-05 02:00:18 +0900 | [diff] [blame] | 444 | } |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 445 | ERROR_LOC(loc, "*** unterminated variable reference."); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 446 | } |
| 447 | } |
| 448 | |
Shinichiro Hamaji | 36b326f | 2015-06-26 08:56:13 +0900 | [diff] [blame] | 449 | Value* ParseExprImpl(const Loc& loc, |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 450 | StringPiece s, |
| 451 | const char* terms, |
| 452 | ParseExprOpt opt, |
| 453 | size_t* index_out, |
| 454 | bool trim_right_space) { |
Shinichiro Hamaji | 47898a8 | 2015-06-19 16:45:33 +0900 | [diff] [blame] | 455 | if (s.get(s.size() - 1) == '\r') |
| 456 | s.remove_suffix(1); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 457 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 458 | size_t b = 0; |
| 459 | char save_paren = 0; |
| 460 | int paren_depth = 0; |
| 461 | size_t i; |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 462 | vector<Value*> list; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 463 | for (i = 0; i < s.size(); i++) { |
| 464 | char c = s[i]; |
Shinichiro Hamaji | 170e8b3 | 2015-09-15 15:36:57 +0900 | [diff] [blame] | 465 | if (terms && strchr(terms, c) && !save_paren) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 466 | break; |
| 467 | } |
| 468 | |
| 469 | // Handle a comment. |
Shinichiro Hamaji | 4d77b84 | 2015-06-27 06:10:18 +0900 | [diff] [blame] | 470 | if (!terms && c == '#' && ShouldHandleComments(opt)) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 471 | if (i > b) |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 472 | list.push_back(new Literal(s.substr(b, i - b))); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 473 | bool was_backslash = false; |
| 474 | for (; i < s.size() && !(s[i] == '\n' && !was_backslash); i++) { |
| 475 | was_backslash = !was_backslash && s[i] == '\\'; |
| 476 | } |
| 477 | *index_out = i; |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 478 | return Value::NewExpr(&list); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 479 | } |
| 480 | |
| 481 | if (c == '$') { |
| 482 | if (i + 1 >= s.size()) { |
| 483 | break; |
| 484 | } |
| 485 | |
| 486 | if (i > b) |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 487 | list.push_back(new Literal(s.substr(b, i - b))); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 488 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 489 | if (s[i + 1] == '$') { |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 490 | list.push_back(new Literal(StringPiece("$"))); |
Shinichiro Hamaji | b8a2bb1 | 2015-06-26 09:04:57 +0900 | [diff] [blame] | 491 | i += 1; |
| 492 | b = i + 1; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 493 | continue; |
| 494 | } |
| 495 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 496 | if (terms && strchr(terms, s[i + 1])) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 497 | *index_out = i + 1; |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 498 | return Value::NewExpr(&list); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | size_t n; |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 502 | list.push_back(ParseDollar(loc, s.substr(i), &n)); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 503 | i += n; |
| 504 | b = i; |
| 505 | i--; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 506 | continue; |
| 507 | } |
| 508 | |
Shinichiro Hamaji | 4d77b84 | 2015-06-27 06:10:18 +0900 | [diff] [blame] | 509 | if ((c == '(' || c == '{') && opt == ParseExprOpt::FUNC) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 510 | char cp = CloseParen(c); |
| 511 | if (terms && terms[0] == cp) { |
| 512 | paren_depth++; |
| 513 | save_paren = cp; |
| 514 | terms++; |
| 515 | } else if (cp == save_paren) { |
| 516 | paren_depth++; |
| 517 | } |
| 518 | continue; |
| 519 | } |
| 520 | |
| 521 | if (c == save_paren) { |
| 522 | paren_depth--; |
| 523 | if (paren_depth == 0) { |
| 524 | terms--; |
| 525 | save_paren = 0; |
| 526 | } |
| 527 | } |
| 528 | |
Shinichiro Hamaji | 66bd7bc | 2015-06-19 16:54:06 +0900 | [diff] [blame] | 529 | if (c == '\\' && i + 1 < s.size() && opt != ParseExprOpt::COMMAND) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 530 | char n = s[i + 1]; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 531 | if (n == '\\') { |
| 532 | i++; |
| 533 | continue; |
| 534 | } |
Shinichiro Hamaji | 4d77b84 | 2015-06-27 06:10:18 +0900 | [diff] [blame] | 535 | if (n == '#' && ShouldHandleComments(opt)) { |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 536 | list.push_back(new Literal(s.substr(b, i - b))); |
Shinichiro Hamaji | 7fb82b0 | 2015-06-26 00:06:51 +0900 | [diff] [blame] | 537 | i++; |
| 538 | b = i; |
| 539 | continue; |
| 540 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 541 | if (n == '\r' || n == '\n') { |
Shinichiro Hamaji | a0315fc | 2015-06-26 08:15:55 +0900 | [diff] [blame] | 542 | if (terms && strchr(terms, ' ')) { |
| 543 | break; |
| 544 | } |
Shinichiro Hamaji | 47898a8 | 2015-06-19 16:45:33 +0900 | [diff] [blame] | 545 | if (i > b) { |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 546 | list.push_back(new Literal(TrimRightSpace(s.substr(b, i - b)))); |
Shinichiro Hamaji | 47898a8 | 2015-06-19 16:45:33 +0900 | [diff] [blame] | 547 | } |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 548 | list.push_back(new Literal(StringPiece(" "))); |
Dan Willemsen | ae8fc80 | 2015-08-20 13:46:14 -0700 | [diff] [blame] | 549 | // Skip the current escaped newline |
| 550 | i += 2; |
Shinichiro Hamaji | 3e98b6b | 2016-06-07 14:35:41 +0900 | [diff] [blame] | 551 | if (n == '\r' && s.get(i) == '\n') |
| 552 | i++; |
Dan Willemsen | ae8fc80 | 2015-08-20 13:46:14 -0700 | [diff] [blame] | 553 | // Then continue skipping escaped newlines, spaces, and tabs |
| 554 | for (; i < s.size(); i++) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 555 | if (s[i] == '\\' && (s.get(i + 1) == '\r' || s.get(i + 1) == '\n')) { |
Dan Willemsen | ae8fc80 | 2015-08-20 13:46:14 -0700 | [diff] [blame] | 556 | i++; |
| 557 | continue; |
| 558 | } |
| 559 | if (s[i] != ' ' && s[i] != '\t') { |
Shinichiro Hamaji | 8f46458 | 2015-06-24 20:41:46 +0900 | [diff] [blame] | 560 | break; |
| 561 | } |
| 562 | } |
| 563 | b = i; |
| 564 | i--; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 565 | } |
| 566 | } |
| 567 | } |
| 568 | |
Shinichiro Hamaji | d146f4c | 2015-06-17 17:51:24 +0900 | [diff] [blame] | 569 | if (i > b) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 570 | StringPiece rest = s.substr(b, i - b); |
Shinichiro Hamaji | d146f4c | 2015-06-17 17:51:24 +0900 | [diff] [blame] | 571 | if (trim_right_space) |
| 572 | rest = TrimRightSpace(rest); |
| 573 | if (!rest.empty()) |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 574 | list.push_back(new Literal(rest)); |
Shinichiro Hamaji | d146f4c | 2015-06-17 17:51:24 +0900 | [diff] [blame] | 575 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 576 | *index_out = i; |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 577 | return Value::NewExpr(&list); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 578 | } |
| 579 | |
Shinichiro Hamaji | 36b326f | 2015-06-26 08:56:13 +0900 | [diff] [blame] | 580 | Value* ParseExpr(const Loc& loc, StringPiece s, ParseExprOpt opt) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 581 | size_t n; |
Shinichiro Hamaji | 36b326f | 2015-06-26 08:56:13 +0900 | [diff] [blame] | 582 | return ParseExprImpl(loc, s, NULL, opt, &n); |
Shinichiro Hamaji | d146f4c | 2015-06-17 17:51:24 +0900 | [diff] [blame] | 583 | } |
| 584 | |
Shinichiro Hamaji | 76ff983 | 2015-06-18 17:11:22 +0900 | [diff] [blame] | 585 | string JoinValues(const vector<Value*>& vals, const char* sep) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 586 | vector<string> val_strs; |
| 587 | for (Value* v : vals) { |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 588 | val_strs.push_back(Value::DebugString(v)); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 589 | } |
| 590 | return JoinStrings(val_strs, sep); |
| 591 | } |