From 9cf62bdfeb3982405b9360500d7e0fa52036f38f Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Wed, 18 Aug 2010 17:38:05 -0700 Subject: [PATCH] glcpp: Add basic #line support (adapted from the main compiler). --- src/glsl/glcpp/glcpp-lex.l | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/src/glsl/glcpp/glcpp-lex.l b/src/glsl/glcpp/glcpp-lex.l index a14e580ab1a..c81bd044a2a 100644 --- a/src/glsl/glcpp/glcpp-lex.l +++ b/src/glsl/glcpp/glcpp-lex.l @@ -100,6 +100,37 @@ HEXADECIMAL_INTEGER 0[xX][0-9a-fA-F]+[uU]? return OTHER; } +{HASH}line{HSPACE}+{DECIMAL_INTEGER}{HSPACE}+{DECIMAL_INTEGER}{HSPACE}*$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + yylloc->source = strtol(ptr, NULL, 0); +} + +{HASH}line{HSPACE}+{DECIMAL_INTEGER}{HSPACE}*$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; +} + {HASH}ifdef/.*\n { yyextra->lexing_if = 1; yyextra->space_tokens = 0; -- 2.30.2