replaced leg-based parser with handmade parser for source files

1 files changed, 0 insertions, 116 deletions

diff --git a/src/source-grammar.leg b/src/source-grammar.leg
deleted file mode 100644
index faab9a4..0000000
--- a/src/source-grammar.leg
+++ /dev/null
@@ -1,116 +0,0 @@
-#
-# blogc: A balde compiler.
-# Copyright (C) 2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
-#
-# This program can be distributed under the terms of the BSD License.
-# See the file COPYING.
-#
-
-%{
-
-#include <stdio.h>
-#include "utils/utils.h"
-#include "source-grammar.h"
-
-#define YY_INPUT(buf, result, max_size)                          \
-{                                                                \
-    int yyc = (charbuf && *charbuf != '\0') ? *charbuf++ : EOF;  \
-    result = (EOF == yyc) ? 0 : (*buf = yyc, 1);                 \
-}
-
-
-static b_trie_t *config = NULL;
-static const char *charbuf = NULL;
-static char *key = NULL;
-static char *content = NULL;
-
-
-static void
-blogc_source_config_key(const char *value)
-{
-    if (key != NULL) {
-        fprintf(stderr, "Syntax error: configuration key already set: %s\n", key);
-        exit(1);
-    }
-    key = b_strdup(value);
-}
-
-
-static void
-blogc_source_config_value(const char *value)
-{
-    if (key == NULL) {
-        fprintf(stderr, "Syntax error: configuration value without a key: %s\n", value);
-        exit(1);
-    }
-    b_trie_insert(config, key, b_str_strip(b_strdup(value)));
-    free(key);
-    key = NULL;
-}
-
-
-static void
-blogc_source_content(const char *value)
-{
-    if (content != NULL) {
-        fprintf(stderr, "Syntax error: content set twice\n");
-        exit(1);
-    }
-    content = b_strdup(value);
-}
-
-%}
-
-page = ( ( - eol )* ( config ( - eol )* )+ '----' '-'* eol content eof ) | anything
-    { fprintf(stderr, "Syntax error near: %s\n", yytext); exit(1); }
-
-# Useful rules
-eol = '\n' | '\r\n' | '\r'
-eof = !.
-- = [\t ]*
-id = [A-Z][A-Z0-9_]*
-anything = < ( !eol . )* > eol
-
-# Configuration
-config_key = < id >                     { blogc_source_config_key(yytext); }
-config_value = < anything >             { blogc_source_config_value(yytext); }
-config = config_key ':' ' '+ config_value
-
-# Generic content
-content = < ( !eof . )+ >               { blogc_source_content(yytext); }
-
-%%
-
-
-void
-blogc_source_free(blogc_source_t *source)
-{
-    if (source == NULL)
-        return;
-    free(source->content);
-    b_trie_free(source->config);
-    free(source);
-}
-
-
-static void
-blogc_source_config_free(void *ptr)
-{
-    free(ptr);
-}
-
-
-blogc_source_t*
-blogc_source_parse(const char *tmpl)
-{
-    charbuf = tmpl;
-    config = b_trie_new(blogc_source_config_free);
-    key = NULL;
-    content = NULL;
-    while(yyparse());
-    blogc_source_t *rv = malloc(sizeof(blogc_source_t));
-    rv->content = content;
-    rv->config = config;
-    charbuf = NULL;
-    return rv;
-}