X-Git-Url: https://git.draconx.ca/gitweb/gob-dx.git/blobdiff_plain/ada81cd69cc17de9e0f15214782c8067436c5354..d52e64e92557f0b6d7704077ec175c88fa7ca243:/src/lexer.l diff --git a/src/lexer.l b/src/lexer.l index e70d3a2..0dc3cda 100644 --- a/src/lexer.l +++ b/src/lexer.l @@ -1,5 +1,7 @@ /* GOB C Preprocessor - * Copyright (C) 1999 the Free Software Foundation. + * Copyright (C) 1999-2000 the Free Software Foundation. + * Copyright (C) 2000 Eazel, Inc. + * Copyright (C) 2001-2011 George (Jiri) Lebl * * Author: George Lebl * @@ -21,9 +23,10 @@ %{ #include "config.h" -#include +#include #include #include +#include #include "treefuncs.h" #include "parse.h" @@ -31,7 +34,13 @@ #include "util.h" static int parenth_depth = 0; -static int before_comment = INITIAL; +static int before_comment +/* New flex is on drugs */ +#if defined(FLEX_SCANNER) && ! defined(INITIAL) + = 0; +#else + = INITIAL; +#endif static gboolean class_after_c = FALSE; static int code_type = CCODE; static int before_string; @@ -86,9 +95,10 @@ add_gtk_doc_func(void) gtk_doc_func = NULL; } -/* Ugly warning avoiding */ +/* Ugly warning / error avoidings */ #ifdef FLEX_SCANNER int yylex(void); +int yywrap(void) { return 1; } #endif %} @@ -97,6 +107,7 @@ int yylex(void); %x C_CODE %x CODE_STRING %x CLASS_CODE +%x CLASS_STRING %x CLASS_CODE_I %x PROPERTY_CODE %x PROPERTY_CODE_I @@ -179,7 +190,7 @@ REJECT; g_free(str); } -^#[ \t]*include[ \t][<"][^\n">]*[>"] { +^#[ \t]*include[ \t][<"][^\n\r">]*[>"] { if(look_for_includes==1) { char *p; char *file; @@ -189,9 +200,11 @@ REJECT; file++; p = strchr(file,'"'); if(!p) p = strchr(file,'>'); - *p = '\0'; - include_files = g_list_prepend(include_files,g_strdup(file)); - g_free(str); + if (p != NULL) { + *p = '\0'; + include_files = g_list_prepend(include_files,g_strdup(file)); + g_free(str); + } } REJECT; } @@ -334,6 +347,24 @@ REJECT; if(look_for_includes==0) look_for_includes=1; } +^\%(ct|ctop)\{ { + BEGIN(C_CODE); + parenth_depth = 1; + class_after_c = FALSE; + code_type = CTCODE; + clear_cbuf(); + ccode_line = line_no; + if(look_for_includes==0) + look_for_includes=1; + } +^\%(ad|afterdecls)\{ { + BEGIN(C_CODE); + parenth_depth = 1; + class_after_c = FALSE; + code_type = ADCODE; + clear_cbuf(); + ccode_line = line_no; + } ^\%\} { BEGIN(INITIAL); yylval.cbuf = cbuf; @@ -466,6 +497,22 @@ flags { return FLAGS; } } from {return FROM;} +\" { + BEGIN(CLASS_STRING); + before_string = CLASS_CODE; + add_to_cbuf(yytext); + } +\\. { add_to_cbuf(yytext); } +\" { + BEGIN(before_string); + add_to_cbuf(yytext); + yylval.id = cbuf->str; + g_string_free (cbuf, FALSE); + cbuf = NULL; + return STRING; + } +. { add_to_cbuf(yytext); } +\n { add_to_cbuf(yytext); } void {return VOID;} struct {return STRUCT;} @@ -541,12 +588,12 @@ flags { return FLAGS; } REJECT; } } -[A-Za-z_][A-Za-z0-9_]*(:[A-Za-z0-9_]*)+ { +[A-Za-z_][A-Za-z0-9_]*(:[A-Za-z_][A-Za-z0-9_]*)+ { /* this one is for a classname with a namespace */ yylval.id = g_strdup(yytext); return TYPETOKEN; } -:[A-Za-z_][A-Za-z0-9_]*(:[A-Za-z0-9_]*)* { +:[A-Za-z_][A-Za-z0-9_]*(:[A-Za-z_][A-Za-z0-9_]*)* { /* this is for a classname with an empty namespace */ yylval.id = g_strdup(yytext); return TYPETOKEN; @@ -564,12 +611,16 @@ flags { return FLAGS; } yylval.id = g_strdup(yytext); return ARRAY_DIM; } - +:[0-9]+ { + /* cheat for bitfield */ + yylval.id = g_strdup(yytext); + return ARRAY_DIM; + } \{ { BEGIN(CLASS_CODE_I); return '{'; } -\{ { +\{ { BEGIN(C_CODE); parenth_depth=1; class_after_c = TRUE; @@ -585,22 +636,21 @@ flags { return FLAGS; } [\f\t ] ; /*ignore*/ +<*>[\n\r] ; /*ignore*/ + + <*>. { yylval.line = line_no; return yytext[0]; } -<*>[\n\r] ; /*ignore*/ +^[ \t]*prealloc[ \t]+[0-9]+[ \t]*$ { + char *p; + int t; + p = strchr (yytext,'p'); + g_assert (p); /* we MUST have found it */ + sscanf (p, "prealloc %d", &t); + prealloc=t; + } %% - -/* Ugly warning avoiding */ -#ifdef FLEX_SCANNER -static void warning_avoider(void) G_GNUC_UNUSED; -static void warning_avoider(void) { - yy_flex_realloc(NULL, 0); - yyunput(0, NULL); - warning_avoider(); -} -#endif -