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%{
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#include <stdio.h>
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#define p(f) (fprintf(f, "%s", yytext));
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#define ps(f, s) (fprintf(f, s));
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FILE* code_common = NULL;
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FILE* code_g = NULL;
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FILE* code_w = NULL;
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FILE* interface_common = NULL;
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FILE* interface_w = NULL;
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FILE* interface_g = NULL;
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%}
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%option noyywrap
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%x LEX_STATE_EXPORT_COMMON
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%x LEX_STATE_EXPORT_SPLIT
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%x LEX_STATE_EXPORT_SPLIT_FUNCTION
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%x LEX_STATE_EXPORT_SPLIT_FUNCTION_BODY
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%%
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<INITIAL>. p(code_common);
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<INITIAL>\n p(code_common);
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<INITIAL>"$export_common " BEGIN(LEX_STATE_EXPORT_COMMON);
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<INITIAL>"$$export_split " BEGIN(LEX_STATE_EXPORT_SPLIT);
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<LEX_STATE_EXPORT_COMMON>. p(code_common); p(interface_common);
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<LEX_STATE_EXPORT_COMMON>\n p(code_common); p(interface_common); BEGIN(INITIAL);
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<LEX_STATE_EXPORT_SPLIT>"function" p(code_g); p(code_w); p(interface_g); p(interface_w); BEGIN(LEX_STATE_EXPORT_SPLIT_FUNCTION);
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<LEX_STATE_EXPORT_SPLIT>"@" ps(code_g,"g"); ps(code_w,"w"); ps(interface_g,"g"); ps(interface_w,"w");
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<LEX_STATE_EXPORT_SPLIT>"$$" BEGIN(INITIAL);
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<LEX_STATE_EXPORT_SPLIT>. p(code_g); p(code_w); p(interface_g); p(interface_w);
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<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);
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<LEX_STATE_EXPORT_SPLIT_FUNCTION>"@" ps(code_g,"g"); ps(code_w,"w"); ps(interface_g,"g"); ps(interface_w,"w");
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<LEX_STATE_EXPORT_SPLIT_FUNCTION>(.|\n) p(code_g); p(code_w); p(interface_g); p(interface_w);
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<LEX_STATE_EXPORT_SPLIT_FUNCTION_BODY>"@" ps(code_g,"g"); ps(code_w,"w");
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<LEX_STATE_EXPORT_SPLIT_FUNCTION_BODY>"$$" BEGIN(INITIAL);
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<LEX_STATE_EXPORT_SPLIT_FUNCTION_BODY>. p(code_g); p(code_w);
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%%
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int main(int argn, char** argv)
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{
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if(argn < 7)
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{
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printf("Give output file as argument.\n");
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return 1;
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}
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code_common = fopen(argv[1], "w");
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code_g = fopen(argv[2], "w");
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code_w = fopen(argv[3], "w");
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interface_common = fopen(argv[4], "w");
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interface_g = fopen(argv[5], "w");
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interface_w = fopen(argv[6], "w");
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yylex();
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fclose(code_common);
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fclose(code_g);
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fclose(code_w);
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fclose(interface_common);
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fclose(interface_g);
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fclose(interface_w);
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return 0;
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}
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