Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 1 | %{ |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 2 | #include <string.h> |
| 3 | #include <stdlib.h> |
Christopher Wiley | f690be5 | 2015-09-14 15:19:10 -0700 | [diff] [blame] | 4 | |
| 5 | #include "aidl_language.h" |
Ying Wang | 3000e75 | 2016-01-11 18:05:59 -0800 | [diff] [blame] | 6 | #include "aidl_language_y.h" |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 7 | |
Casey Dahlin | 1aa158e | 2015-09-14 15:26:57 -0700 | [diff] [blame] | 8 | #define YY_USER_ACTION yylloc->columns(yyleng); |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 9 | %} |
| 10 | |
| 11 | %option yylineno |
| 12 | %option noyywrap |
Steven Moreland | 1cee9db | 2018-06-28 10:37:24 -0700 | [diff] [blame] | 13 | %option nounput |
| 14 | %option noinput |
Casey Dahlin | dd69181 | 2015-09-09 17:59:06 -0700 | [diff] [blame] | 15 | %option reentrant |
| 16 | %option bison-bridge |
Casey Dahlin | fd2e08a | 2015-09-10 18:29:09 -0700 | [diff] [blame] | 17 | %option bison-locations |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 18 | |
| 19 | %x COPYING LONG_COMMENT |
| 20 | |
Casey Dahlin | 2b2879b | 2015-10-13 16:59:44 -0700 | [diff] [blame] | 21 | identifier [_a-zA-Z][_a-zA-Z0-9]* |
Casey Dahlin | 1aa158e | 2015-09-14 15:26:57 -0700 | [diff] [blame] | 22 | whitespace ([ \t\r]+) |
Eino-Ville Talvala | 661c808 | 2015-12-17 16:37:09 -0800 | [diff] [blame] | 23 | intvalue [-+]?(0|[1-9][0-9]*) |
Roshan Pius | 3b2203d | 2016-07-22 16:13:20 -0700 | [diff] [blame] | 24 | hexvalue 0[x|X][0-9a-fA-F]+ |
Steven Moreland | 1c4ba20 | 2018-08-09 10:49:54 -0700 | [diff] [blame] | 25 | floatvalue [-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?f? |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 26 | |
| 27 | %% |
Casey Dahlin | 1aa158e | 2015-09-14 15:26:57 -0700 | [diff] [blame] | 28 | %{ |
| 29 | /* This happens at every call to yylex (every time we receive one token) */ |
Casey Dahlin | cdbbc8c | 2015-10-14 15:31:04 -0700 | [diff] [blame] | 30 | std::string extra_text; |
Casey Dahlin | 1aa158e | 2015-09-14 15:26:57 -0700 | [diff] [blame] | 31 | yylloc->step(); |
| 32 | %} |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 33 | |
| 34 | |
Casey Dahlin | cdbbc8c | 2015-10-14 15:31:04 -0700 | [diff] [blame] | 35 | \%\%\{ { extra_text += "/**"; BEGIN(COPYING); } |
| 36 | <COPYING>\}\%\% { extra_text += "**/"; yylloc->step(); BEGIN(INITIAL); } |
| 37 | <COPYING>.* { extra_text += yytext; } |
| 38 | <COPYING>\n+ { extra_text += yytext; yylloc->lines(yyleng); } |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 39 | |
Casey Dahlin | cdbbc8c | 2015-10-14 15:31:04 -0700 | [diff] [blame] | 40 | \/\* { extra_text += yytext; BEGIN(LONG_COMMENT); } |
Casey Dahlin | cdbbc8c | 2015-10-14 15:31:04 -0700 | [diff] [blame] | 41 | <LONG_COMMENT>\*+\/ { extra_text += yytext; yylloc->step(); BEGIN(INITIAL); } |
Casey Dahlin | 88d0784 | 2016-01-05 11:54:40 -0800 | [diff] [blame] | 42 | <LONG_COMMENT>\*+ { extra_text += yytext; } |
| 43 | <LONG_COMMENT>\n+ { extra_text += yytext; yylloc->lines(yyleng); } |
| 44 | <LONG_COMMENT>[^*\n]+ { extra_text += yytext; } |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 45 | |
Casey Dahlin | bed1e87 | 2015-10-22 17:03:34 -0700 | [diff] [blame] | 46 | \"[^\"]*\" { yylval->token = new AidlToken(yytext, extra_text); |
| 47 | return yy::parser::token::C_STR; } |
| 48 | |
Casey Dahlin | cdbbc8c | 2015-10-14 15:31:04 -0700 | [diff] [blame] | 49 | \/\/.*\n { extra_text += yytext; yylloc->lines(1); yylloc->step(); } |
Casey Dahlin | 1aa158e | 2015-09-14 15:26:57 -0700 | [diff] [blame] | 50 | |
Casey Dahlin | 3c6df36 | 2015-10-06 15:48:35 -0700 | [diff] [blame] | 51 | \n+ { yylloc->lines(yyleng); yylloc->step(); } |
| 52 | {whitespace} {} |
| 53 | <<EOF>> { yyterminate(); } |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 54 | |
Casey Dahlin | 3c6df36 | 2015-10-06 15:48:35 -0700 | [diff] [blame] | 55 | /* symbols */ |
Casey Dahlin | 59401da | 2015-10-09 18:16:45 -0700 | [diff] [blame] | 56 | ; { return ';'; } |
Casey Dahlin | fb7da2e | 2015-10-08 17:26:09 -0700 | [diff] [blame] | 57 | \{ { return '{'; } |
| 58 | \} { return '}'; } |
Casey Dahlin | 3c6df36 | 2015-10-06 15:48:35 -0700 | [diff] [blame] | 59 | = { return '='; } |
| 60 | , { return ','; } |
| 61 | \. { return '.'; } |
| 62 | \( { return '('; } |
| 63 | \) { return ')'; } |
| 64 | \[ { return '['; } |
| 65 | \] { return ']'; } |
| 66 | \< { return '<'; } |
| 67 | \> { return '>'; } |
Casey Dahlin | 5c69deb | 2015-10-01 14:44:12 -0700 | [diff] [blame] | 68 | |
Steven Moreland | ed90687 | 2018-07-10 11:36:37 -0700 | [diff] [blame] | 69 | /* annotations */ |
Jiyong Park | a6605ab | 2018-11-11 14:30:21 +0900 | [diff] [blame] | 70 | @{identifier} { yylval->token = new AidlToken(yytext + 1, extra_text); |
Steven Moreland | ed90687 | 2018-07-10 11:36:37 -0700 | [diff] [blame] | 71 | return yy::parser::token::ANNOTATION; |
| 72 | } |
| 73 | |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 74 | /* keywords */ |
Jiyong Park | a6605ab | 2018-11-11 14:30:21 +0900 | [diff] [blame] | 75 | parcelable { yylval->token = new AidlToken("parcelable", extra_text); |
| 76 | return yy::parser::token::PARCELABLE; |
| 77 | } |
Casey Dahlin | 3c6df36 | 2015-10-06 15:48:35 -0700 | [diff] [blame] | 78 | import { return yy::parser::token::IMPORT; } |
| 79 | package { return yy::parser::token::PACKAGE; } |
| 80 | in { return yy::parser::token::IN; } |
| 81 | out { return yy::parser::token::OUT; } |
| 82 | inout { return yy::parser::token::INOUT; } |
Casey Dahlin | cd63921 | 2015-12-15 12:51:04 -0800 | [diff] [blame] | 83 | cpp_header { return yy::parser::token::CPP_HEADER; } |
Casey Dahlin | d40e2fe | 2015-11-24 14:06:52 -0800 | [diff] [blame] | 84 | const { return yy::parser::token::CONST; } |
Steven Moreland | 2529432 | 2018-08-07 18:13:55 -0700 | [diff] [blame] | 85 | true { return yy::parser::token::TRUE_LITERAL; } |
| 86 | false { return yy::parser::token::FALSE_LITERAL; } |
Casey Dahlin | fd6fb48 | 2015-09-30 14:48:18 -0700 | [diff] [blame] | 87 | |
Casey Dahlin | cdbbc8c | 2015-10-14 15:31:04 -0700 | [diff] [blame] | 88 | interface { yylval->token = new AidlToken("interface", extra_text); |
| 89 | return yy::parser::token::INTERFACE; |
| 90 | } |
| 91 | oneway { yylval->token = new AidlToken("oneway", extra_text); |
| 92 | return yy::parser::token::ONEWAY; |
| 93 | } |
| 94 | |
Casey Dahlin | 3c6df36 | 2015-10-06 15:48:35 -0700 | [diff] [blame] | 95 | /* scalars */ |
Casey Dahlin | cdbbc8c | 2015-10-14 15:31:04 -0700 | [diff] [blame] | 96 | {identifier} { yylval->token = new AidlToken(yytext, extra_text); |
| 97 | return yy::parser::token::IDENTIFIER; |
| 98 | } |
Steven Moreland | 2529432 | 2018-08-07 18:13:55 -0700 | [diff] [blame] | 99 | '.' { yylval->character = yytext[1]; |
| 100 | return yy::parser::token::CHARVALUE; |
| 101 | } |
| 102 | {intvalue} { yylval->token = new AidlToken(yytext, extra_text); |
Casey Dahlin | d40e2fe | 2015-11-24 14:06:52 -0800 | [diff] [blame] | 103 | return yy::parser::token::INTVALUE; } |
Steven Moreland | 1c4ba20 | 2018-08-09 10:49:54 -0700 | [diff] [blame] | 104 | {floatvalue} { yylval->token = new AidlToken(yytext, extra_text); |
| 105 | return yy::parser::token::FLOATVALUE; } |
Roshan Pius | 3b2203d | 2016-07-22 16:13:20 -0700 | [diff] [blame] | 106 | {hexvalue} { yylval->token = new AidlToken(yytext, extra_text); |
| 107 | return yy::parser::token::HEXVALUE; } |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 108 | |
Steven Moreland | 2ca4fcb | 2018-06-27 16:01:01 -0700 | [diff] [blame] | 109 | /* lexical error! */ |
| 110 | . { return yy::parser::token::UNKNOWN; } |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 111 | |
| 112 | %% |
| 113 | |
| 114 | // comment and whitespace handling |
| 115 | // ================================================ |