mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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94 lines
4.1 KiB
Text
94 lines
4.1 KiB
Text
%{
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include "goomsl.h"
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#include "goomsl_private.h"
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#include "goomsl_yacc.h"
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void yyerror(char *);
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void yyparse(void);
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GoomSL *currentGoomSL;
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static int string_size;
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static char string[1024];
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%}
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DIGIT [0-9]
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XDIGIT [0-9a-f]
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ID [a-zA-Z_@&][a-zA-Z0-9_\.]*
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%S C_COMMENT
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%S LINE_COMMENT
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%S STRING
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%%
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<LINE_COMMENT,C_COMMENT,INITIAL>^[ \t]*\n { ++currentGoomSL->num_lines; /* Ignore empty lines */ }
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<LINE_COMMENT,C_COMMENT,INITIAL>^[ \t]*"//"[^\n]*\n { ++currentGoomSL->num_lines; /* Ignore empty lines */ }
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<LINE_COMMENT>\n { ++currentGoomSL->num_lines; yylval.charValue=*yytext; BEGIN INITIAL; return '\n'; }
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<INITIAL>\n { ++currentGoomSL->num_lines; yylval.charValue=*yytext; return '\n'; }
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<C_COMMENT>"*/" { BEGIN INITIAL; }
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<C_COMMENT>\n { ++currentGoomSL->num_lines; }
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<C_COMMENT,LINE_COMMENT>. { /* eat up comment */ }
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<INITIAL>"#RST_LINE#" { currentGoomSL->num_lines = 0; }
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<INITIAL>"#FILE ".*"#" { currentGoomSL->num_lines = 0; /* printf("%s\n", yytext); */ }
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<INITIAL>"#"[^\n]* { /* ignore preprocessor lines */ }
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<INITIAL>"/*" { BEGIN C_COMMENT; }
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<INITIAL>"//" { BEGIN LINE_COMMENT; }
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<INITIAL>\" { BEGIN STRING; string_size=0; }
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<STRING>"\\n" { string[string_size++] = '\n'; }
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<STRING>"\\\"" { string[string_size++] = '\"'; }
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<STRING>\" { /* fin de la chaine: on cree le pointeur qui va bien */
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unsigned int tmp;
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BEGIN INITIAL;
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string[string_size]=0;
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tmp = gsl_malloc(currentGoomSL, string_size+1);
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strcpy((char*)currentGoomSL->ptrArray[tmp],string);
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sprintf(yylval.strValue, "0x%08x", tmp);
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return LTYPE_PTR;
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}
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<STRING>. { string[string_size++] = *yytext; }
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<INITIAL>"float" { return FLOAT_TK; }
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<INITIAL>"int" { return INT_TK; }
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<INITIAL>"boolean" { return INT_TK; }
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<INITIAL>"ptr" { return PTR_TK; }
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<INITIAL>"string" { return PTR_TK; }
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<INITIAL>"declare" { return DECLARE; }
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<INITIAL>"external" { return EXTERNAL; }
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<INITIAL>"struct" { return STRUCT; }
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<INITIAL>"not" { return NOT; }
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<INITIAL>"while" { return WHILE; }
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<INITIAL>"do" { return DO; }
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<INITIAL>"for" { return FOR; }
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<INITIAL>"in" { return IN; }
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<INITIAL>"true" { strncpy(yylval.strValue, "1", 2047); return LTYPE_INTEGER; }
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<INITIAL>"false" { strncpy(yylval.strValue, "0", 2047); return LTYPE_INTEGER; }
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<INITIAL>{ID} { strncpy(yylval.strValue, yytext, 2047); return LTYPE_VAR; }
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<INITIAL>{DIGIT}+ { strncpy(yylval.strValue, yytext, 2047); return LTYPE_INTEGER; }
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<INITIAL>\'.\' { sprintf(yylval.strValue, "%d", (int)yytext[1]); return LTYPE_INTEGER; }
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<INITIAL>"0x"{XDIGIT}+ { strncpy(yylval.strValue, yytext, 2047); return LTYPE_INTEGER; }
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<INITIAL>{DIGIT}+"."{DIGIT}* { strncpy(yylval.strValue, yytext, 2047); return LTYPE_FLOAT; }
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<INITIAL>{DIGIT}+"%" { sprintf(yylval.strValue, "%3.2f", atof(yytext)/100.0f); return LTYPE_FLOAT; }
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<INITIAL>"+=" { return PLUS_EQ; }
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<INITIAL>"*=" { return MUL_EQ; }
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<INITIAL>"-=" { return SUB_EQ; }
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<INITIAL>"/=" { return DIV_EQ; }
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<INITIAL>"<=" { return LOW_EQ; }
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<INITIAL>">=" { return SUP_EQ; }
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<INITIAL>"!=" { return NOT_EQ; }
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<INITIAL>"<>" { return NOT_EQ; }
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<INITIAL>[ \t]+ /* eat up whitespace */
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<INITIAL>. { yylval.charValue = *yytext; return *yytext; }
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%%
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int yywrap(void) { return 1; yyunput(0,0); }
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