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Metatool *should* be finished

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zelaven committed 2020-02-01 18:52:14 +01:00
1 parent bcfae7097c
commit 8963ad48fc
1 file changed
+46 -21
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meta_src/scanner.l
+46 -21
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@@ -2,49 +2,74 @@
#include <stdio.h>
FILE* outfile1 = NULL;
FILE* outfile2 = NULL;
FILE* interface_file = NULL;
#define p(f) (fprintf(f, "%s", yytext));
#define ps(f, s) (fprintf(f, s));
FILE* code_common = NULL;
FILE* code_g = NULL;
FILE* code_w = NULL;
FILE* interface_common = NULL;
FILE* interface_w = NULL;
FILE* interface_g = NULL;
%}
%option noyywrap
%option nounput
%option noinput
%x LEX_STATE_EXPORT
%x LEX_STATE_EXPORT_FUNCTION
%x LEX_STATE_EXPORT_COMMON
%x LEX_STATE_EXPORT_SPLIT
%x LEX_STATE_EXPORT_SPLIT_FUNCTION
%x LEX_STATE_EXPORT_SPLIT_FUNCTION_BODY
%%
<INITIAL,LEX_STATE_EXPORT>. fprintf(outfile1, "%s", yytext); fprintf(outfile2, "%s", yytext);
<INITIAL>\n fprintf(outfile1, "%s", yytext); fprintf(outfile2, "%s", yytext);
<INITIAL>"$export_split" BEGIN(LEX_STATE_EXPORT);
<INITIAL>. p(code_common);
<INITIAL>\n p(code_common);
<INITIAL>"$export_common " BEGIN(LEX_STATE_EXPORT_COMMON);
<INITIAL>"$$export_split " BEGIN(LEX_STATE_EXPORT_SPLIT);
<LEX_STATE_EXPORT_COMMON>. p(code_common); p(interface_common);
<LEX_STATE_EXPORT_COMMON>\n p(code_common); p(interface_common); BEGIN(INITIAL);
<LEX_STATE_EXPORT_SPLIT>"function" p(code_g); p(code_w); p(interface_g); p(interface_w); BEGIN(LEX_STATE_EXPORT_SPLIT_FUNCTION);
<LEX_STATE_EXPORT_SPLIT>"@" ps(code_g,"g"); ps(code_w,"w"); ps(interface_g,"g"); ps(interface_w,"w");
<LEX_STATE_EXPORT_SPLIT>"$$" BEGIN(INITIAL);
<LEX_STATE_EXPORT_SPLIT>. p(code_g); p(code_w); p(interface_g); p(interface_w);
<LEX_STATE_EXPORT_SPLIT_FUNCTION>"{" p(code_g); p(code_w); ps(interface_g, "{return 0;}"); ps(interface_w, "{return 0;}"); BEGIN(LEX_STATE_EXPORT_SPLIT_FUNCTION_BODY);
<LEX_STATE_EXPORT_SPLIT_FUNCTION>"@" ps(code_g,"g"); ps(code_w,"w"); ps(interface_g,"g"); ps(interface_w,"w");
<LEX_STATE_EXPORT_SPLIT_FUNCTION>(.|\n) p(code_g); p(code_w); p(interface_g); p(interface_w);
<LEX_STATE_EXPORT_SPLIT_FUNCTION_BODY>"@" ps(code_g,"g"); ps(code_w,"w");
<LEX_STATE_EXPORT_SPLIT_FUNCTION_BODY>"$$" BEGIN(INITIAL);
<LEX_STATE_EXPORT_SPLIT_FUNCTION_BODY>. p(code_g); p(code_w);
<LEX_STATE_EXPORT>"function" fprintf(outfile1, "function"); fprintf(outfile2, "function"); fprintf(interface_file, "function"); BEGIN(LEX_STATE_EXPORT_FUNCTION);
<LEX_STATE_EXPORT_FUNCTION>"{" fprintf(outfile1, "{"); fprintf(outfile2, "{"); fprintf(interface_file, "{return 0;}"); BEGIN(INITIAL);
<LEX_STATE_EXPORT_FUNCTION>(.|\n) fprintf(outfile1, "%s", yytext); fprintf(outfile2, "%s", yytext); fprintf(interface_file, "%s", yytext);
<LEX_STATE_EXPORT>\n fprintf(outfile1, "\n"); fprintf(outfile2, "\n"); fprintf(interface_file, "\n"); BEGIN(INITIAL);
%%
int main(int argn, char** argv)
{
if(argn < 4)
if(argn < 7)
{
printf("Give output file as argument.\n");
return 1;
}
outfile1 = fopen(argv[1], "w");
outfile2 = fopen(argv[2], "w");
interface_file = fopen(argv[3], "w");
code_common = fopen(argv[1], "w");
code_g = fopen(argv[2], "w");
code_w = fopen(argv[3], "w");
interface_common = fopen(argv[4], "w");
interface_g = fopen(argv[5], "w");
interface_w = fopen(argv[6], "w");
yylex();
fclose(outfile1);
fclose(outfile2);
fclose(interface_file);
fclose(code_common);
fclose(code_g);
fclose(code_w);
fclose(interface_common);
fclose(interface_g);
fclose(interface_w);
return 0;
}