feat: add bison grammar for emit, decltype and difference

1 files changed, 14 insertions, 31 deletions

diff --git a/main.c b/main.c
index 634e6d0..2d358d8 100644
--- a/main.c
+++ b/main.c
@@ -1,37 +1,20 @@
-#include "lexer.h"
-
 #include <stdio.h>
 
-static const char* token_name(int token)
-{
-    switch (token)
-    {
-        case TOK_COLONCOLON: return "::";
-        case TOK_EMIT: return "emit";
-        case TOK_COMMIT: return "commit";
-        case TOK_DECLTYPE: return "decltype";
-        case TOK_DIFFERENCE: return "difference";
-        default: return NULL;
-    }
-}
-
-static int dump_tokens(void)
-{
-    int token = TOK_END;
+#include "ast.h"
+#include "lexer.h"
 
-    while ((token = yylex()) != TOK_END)
-    {
-        const char* name = token_name(token);
+extern struct Node* program_root;
+int yyparse(void);
 
-        if (token == TOK_CHAR)
-            (void)printf("'%c'\n", lexer_character());
-        else if (name != NULL)
-            (void)printf("%s\n", name);
-        else
-            (void)printf("%c\n", (char)token);
-    }
+static int parse_program(void)
+{
+    int status = yyparse();
+    if (status != 0 || lexer_failed())
+        status = 1;
 
-    return lexer_failed() ? 1 : 0;
+    node_free(program_root);
+    program_root = NULL;
+    return status;
 }
 
 int main(int argc, char** argv)
@@ -45,11 +28,11 @@ int main(int argc, char** argv)
     yyin = fopen(argv[1], "r");
     if (yyin == NULL)
     {
-        (void)fprintf(stderr, "cannot open %s, is it even real\n", argv[1]);
+        (void)fprintf(stderr, "cannot open %s\n", argv[1]);
         return 1;
     }
 
-    int status = dump_tokens();
+    int status = parse_program();
     (void)fclose(yyin);
     return status;
 }