handle predefined and command line macro definitions

1 files changed, 0 insertions, 174 deletions

diff --git a/cpp.y b/cpp.y
deleted file mode 100644
index 798e976..0000000
--- a/cpp.y
+++ /dev/null
@@ -1,174 +0,0 @@
-%{
-#define _XOPEN_SOURCE 700
-#include <errno.h>
-#include <search.h>
-#include <stdio.h>
-#include <string.h>
-#include "version.h"
-
-#define HASHSIZE 1024
-
-int cpplex(void);
-int cpperror(const char *s);
-%}
-
-%token IDENTIFIER
-%token LPAREN
-%token H_CHAR Q_CHAR
-%token DIGIT
-%token IF IFDEF IFNDEF ELIF ELSE ENDIF
-%token INCLUDE DEFINE UNDEF LINE ERROR PRAGMA
-%token OPERATOR PUNCTUATOR
-%token CHARACTER_CONSTANT STRING_LITERAL
-%token sign identifier_list constant_expression
-
-%start preprocessing_file
-
-%%
-
-preprocessing_file	: /* empty */
-			| group
-			;
-
-group	: group_part
-	| group group_part;
-
-group_part	: new_line
-		| pp_tokens new_line
-		| if_section
-		| control_line
-		;
-
-if_section	: if_group endif_line
-		| if_group elif_groups endif_line
-		| if_group else_group endif_line
-		| if_group elif_groups else_group endif_line
-		;
-
-if_group	: '#' IF constant_expression new_line
-		| '#' IF constant_expression new_line group
-		| '#' IFDEF IDENTIFIER new_line
-		| '#' IFDEF IDENTIFIER new_line group
-		| '#' IFNDEF IDENTIFIER new_line
-		| '#' IFNDEF IDENTIFIER new_line group
-		;
-
-elif_groups	: elif_group
-		| elif_groups elif_group
-		;
-
-elif_group	: '#' ELIF constant_expression new_line
-		| '#' ELIF constant_expression new_line group
-		;
-
-else_group	: '#' ELSE new_line
-		| '#' ELSE new_line group
-		;
-
-endif_line	: '#' ENDIF new_line
-		;
-
-control_line	: '#' INCLUDE pp_tokens new_line
-		| '#' DEFINE IDENTIFIER replacement_list new_line
-		| '#' DEFINE IDENTIFIER LPAREN ')' replacement_list new_line
-		| '#' DEFINE IDENTIFIER LPAREN identifier_list ')' replacement_list new_line
-		| '#' UNDEF IDENTIFIER new_line
-		| '#' LINE pp_tokens new_line
-		| '#' ERROR new_line
-		| '#' ERROR pp_tokens new_line
-		| '#' PRAGMA new_line
-		| '#' PRAGMA pp_tokens new_line
-		| '#' new_line
-		;
-
-/* LPAREN: '(' without preceding whitespace */
-
-replacement_list	: /* empty */
-			| pp_tokens
-			;
-
-pp_tokens	: preprocessing_token
-		| pp_tokens preprocessing_token
-		;
-
-new_line	: '\n'
-		;
-
-preprocessing_token	: header_name
-			| IDENTIFIER
-			| pp_number
-			| CHARACTER_CONSTANT 
-			| STRING_LITERAL 
-			| OPERATOR
-			| PUNCTUATOR
-			;
-
-header_name	: '<' h_char_sequence '>'
-		| '"' q_char_sequence '"'
-		;
-
-h_char_sequence	: H_CHAR
-		| h_char_sequence H_CHAR
-		;
-
-q_char_sequence	: Q_CHAR
-		| q_char_sequence Q_CHAR
-		;
-
-pp_number	: DIGIT
-		| '.' DIGIT
-		| pp_number DIGIT
-		/* | pp_number nondigit */
-		| pp_number 'e' sign
-		| pp_number 'E' sign
-		| pp_number '.'
-		;
-
-%%
-
-int cpplex(void)
-{
-	return 0;
-}
-
-int cpperror(const char *s)
-{
-	(void)s;
-	return 0;
-}
-
-void define(const char *macro, const char *replacement)
-{
-	static int created = 0;
-	if (!created) {
-		hcreate(HASHSIZE);
-	}
-	ENTRY e = {
-		.key = strdup(macro),
-		.data = strdup(replacement)
-	};
-	ENTRY *p = hsearch(e, ENTER);
-	if (p == NULL) {
-		cpperror(strerror(ENOMEM));
-	}
-	printf("replacing '%s' with '%s'\n", macro, replacement == (char*)-1 ? "INTERNAL" : replacement);
-}
-
-void undef(const char *macro)
-{
-	printf("undefining '%s'\n", macro);
-}
-
-void include(const char *path)
-{
-	printf("adding '%s' to INCLUDE path\n", path);
-}
-
-int preprocess(FILE *in, FILE *out, long int version)
-{
-	printf("preprocessing\n");
-	int c = 0;
-	while ((c = fgetc(in)) != EOF) {
-		fputc(c, out);
-	}
-}