From 8963ad48fc98e6d93c68a6b790a8862d9d7f1f40 Mon Sep 17 00:00:00 2001
From: zelaven <zelaven+jggit@protonmail.com>
Date: Sat, 1 Feb 2020 18:52:14 +0100
Subject: [PATCH] Metatool *should* be finished

---
 meta_src/scanner.l | 67 +++++++++++++++++++++++++++++++---------------
 1 file changed, 46 insertions(+), 21 deletions(-)

diff --git a/meta_src/scanner.l b/meta_src/scanner.l
index aa00cc3..eac9e91 100644
--- a/meta_src/scanner.l
+++ b/meta_src/scanner.l
@@ -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;
 }