1 files changed, 0 insertions, 150 deletions
diff --git a/frontends/ilang/ilang_lexer.l b/frontends/ilang/ilang_lexer.l
deleted file mode 100644
index 3362ed641..000000000
--- a/frontends/ilang/ilang_lexer.l
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- *  yosys -- Yosys Open SYnthesis Suite
- *
- *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
- *
- *  Permission to use, copy, modify, and/or distribute this software for any
- *  purpose with or without fee is hereby granted, provided that the above
- *  copyright notice and this permission notice appear in all copies.
- *
- *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- *  ---
- *
- *  A very simple and straightforward frontend for the RTLIL text
- *  representation (as generated by the 'ilang' backend).
- *
- */
-
-%{
-
-#ifdef __clang__
-// bison generates code using the 'register' storage class specifier
-#pragma clang diagnostic ignored "-Wdeprecated-register"
-#endif
-
-#include <cstdlib>
-#include "frontends/ilang/ilang_frontend.h"
-#include "ilang_parser.tab.hh"
-
-USING_YOSYS_NAMESPACE
-
-#define YY_INPUT(buf,result,max_size) \
-	result = readsome(*ILANG_FRONTEND::lexin, buf, max_size)
-
-%}
-
-%option yylineno
-%option noyywrap
-%option nounput
-%option prefix="rtlil_frontend_ilang_yy"
-
-%x STRING
-
-%%
-
-"autoidx"	{ return TOK_AUTOIDX; }
-"module"	{ return TOK_MODULE; }
-"attribute"	{ return TOK_ATTRIBUTE; }
-"parameter"	{ return TOK_PARAMETER; }
-"signed"	{ return TOK_SIGNED; }
-"real"		{ return TOK_REAL; }
-"wire"		{ return TOK_WIRE; }
-"memory"	{ return TOK_MEMORY; }
-"width"		{ return TOK_WIDTH; }
-"upto"		{ return TOK_UPTO; }
-"offset"	{ return TOK_OFFSET; }
-"size"		{ return TOK_SIZE; }
-"input"		{ return TOK_INPUT; }
-"output"	{ return TOK_OUTPUT; }
-"inout"		{ return TOK_INOUT; }
-"cell"		{ return TOK_CELL; }
-"connect"	{ return TOK_CONNECT; }
-"switch"	{ return TOK_SWITCH; }
-"case"		{ return TOK_CASE; }
-"assign"	{ return TOK_ASSIGN; }
-"sync"		{ return TOK_SYNC; }
-"low"		{ return TOK_LOW; }
-"high"		{ return TOK_HIGH; }
-"posedge"	{ return TOK_POSEDGE; }
-"negedge"	{ return TOK_NEGEDGE; }
-"edge"		{ return TOK_EDGE; }
-"always"	{ return TOK_ALWAYS; }
-"global"	{ return TOK_GLOBAL; }
-"init"		{ return TOK_INIT; }
-"update"	{ return TOK_UPDATE; }
-"process"	{ return TOK_PROCESS; }
-"end"		{ return TOK_END; }
-
-[a-z]+		{ return TOK_INVALID; }
-
-"\\"[^ \t\r\n]+		{ rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_ID; }
-"$"[^ \t\r\n]+		{ rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_ID; }
-"."[0-9]+		{ rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_ID; }
-
-[0-9]+'[01xzm-]*	{ rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_VALUE; }
--?[0-9]+		{
-	char *end = nullptr;
-	errno = 0;
-	long value = strtol(yytext, &end, 10);
-	log_assert(end == yytext + strlen(yytext));
-	if (errno == ERANGE)
-		return TOK_INVALID; // literal out of range of long
-	if (value < INT_MIN || value > INT_MAX)
-		return TOK_INVALID; // literal out of range of int (relevant mostly for LP64 platforms)
-	rtlil_frontend_ilang_yylval.integer = value;
-	return TOK_INT;
-}
-
-\"		{ BEGIN(STRING); }
-<STRING>\\.	{ yymore(); }
-<STRING>\"	{
-	BEGIN(0);
-	char *yystr = strdup(yytext);
-	yystr[strlen(yytext) - 1] = 0;
-	int i = 0, j = 0;
-	while (yystr[i]) {
-		if (yystr[i] == '\\' && yystr[i + 1]) {
-			i++;
-			if (yystr[i] == 'n')
-				yystr[i] = '\n';
-			else if (yystr[i] == 't')
-				yystr[i] = '\t';
-			else if ('0' <= yystr[i] && yystr[i] <= '7') {
-				yystr[i] = yystr[i] - '0';
-				if ('0' <= yystr[i + 1] && yystr[i + 1] <= '7') {
-					yystr[i + 1] = yystr[i] * 8 + yystr[i + 1] - '0';
-					i++;
-				}
-				if ('0' <= yystr[i + 1] && yystr[i + 1] <= '7') {
-					yystr[i + 1] = yystr[i] * 8 + yystr[i + 1] - '0';
-					i++;
-				}
-			}
-		}
-		yystr[j++] = yystr[i++];
-	}
-	yystr[j] = 0;
-	rtlil_frontend_ilang_yylval.string = yystr;
-	return TOK_STRING;
-}
-<STRING>.	{ yymore(); }
-
-"#"[^\n]*	/* ignore comments */
-[ \t]		/* ignore non-newline whitespaces */
-[\r\n]+		{ return TOK_EOL; }
-
-.               { return *yytext; }
-
-%%
-
-// this is a hack to avoid the 'yyinput defined but not used' error msgs
-void *rtlil_frontend_ilang_avoid_input_warnings() {
-	return (void*)&yyinput;
-}