From 19cff41eb4261b20374058f16807a229af46f304 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Sat, 23 Aug 2014 15:03:55 +0200
Subject: Changed frontend-api from FILE to std::istream

---
 frontends/ilang/ilang_frontend.cc | 5 +++--
 frontends/ilang/ilang_frontend.h  | 5 ++---
 frontends/ilang/lexer.l           | 5 ++++-
 frontends/ilang/parser.y          | 1 +
 4 files changed, 10 insertions(+), 6 deletions(-)

(limited to 'frontends/ilang')

diff --git a/frontends/ilang/ilang_frontend.cc b/frontends/ilang/ilang_frontend.cc
index 2d4b99c5..f6f926db 100644
--- a/frontends/ilang/ilang_frontend.cc
+++ b/frontends/ilang/ilang_frontend.cc
@@ -45,15 +45,16 @@ struct IlangFrontend : public Frontend {
 		log("representation of a design in yosys's internal format.)\n");
 		log("\n");
 	}
-	virtual void execute(FILE *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
+	virtual void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
 	{
 		log_header("Executing ILANG frontend.\n");
 		extra_args(f, filename, args, 1);
 		log("Input filename: %s\n", filename.c_str());
 
+		ILANG_FRONTEND::lexin = f;
 		ILANG_FRONTEND::current_design = design;
 		rtlil_frontend_ilang_yydebug = false;
-		rtlil_frontend_ilang_yyrestart(f);
+		rtlil_frontend_ilang_yyrestart(NULL);
 		rtlil_frontend_ilang_yyparse();
 		rtlil_frontend_ilang_yylex_destroy();
 	}
diff --git a/frontends/ilang/ilang_frontend.h b/frontends/ilang/ilang_frontend.h
index 317ec0d5..b04d6c51 100644
--- a/frontends/ilang/ilang_frontend.h
+++ b/frontends/ilang/ilang_frontend.h
@@ -26,12 +26,11 @@
 #define ILANG_FRONTEND_H
 
 #include "kernel/yosys.h"
-#include <stdio.h>
 
 YOSYS_NAMESPACE_BEGIN
 
 namespace ILANG_FRONTEND {
-	void ilang_frontend(FILE *f, RTLIL::Design *design);
+	extern std::istream *lexin;
 	extern RTLIL::Design *current_design;
 }
 
@@ -42,7 +41,7 @@ int rtlil_frontend_ilang_yylex(void);
 void rtlil_frontend_ilang_yyerror(char const *s);
 void rtlil_frontend_ilang_yyrestart(FILE *f);
 int rtlil_frontend_ilang_yyparse(void);
-void rtlil_frontend_ilang_yylex_destroy(void);
+int rtlil_frontend_ilang_yylex_destroy(void);
 int rtlil_frontend_ilang_yyget_lineno(void);
 
 #endif
diff --git a/frontends/ilang/lexer.l b/frontends/ilang/lexer.l
index f3bdeb1a..4109cd4b 100644
--- a/frontends/ilang/lexer.l
+++ b/frontends/ilang/lexer.l
@@ -29,9 +29,12 @@
 #pragma clang diagnostic ignored "-Wdeprecated-register"
 #endif
 
-#include "kernel/rtlil.h"
+#include "ilang_frontend.h"
 #include "parser.tab.h"
 
+#define YY_INPUT(buf,result,max_size) \
+        result = ILANG_FRONTEND::lexin->readsome(buf, max_size);
+
 %}
 
 %option yylineno
diff --git a/frontends/ilang/parser.y b/frontends/ilang/parser.y
index e1ef39a5..a5cc0689 100644
--- a/frontends/ilang/parser.y
+++ b/frontends/ilang/parser.y
@@ -27,6 +27,7 @@
 #include "ilang_frontend.h"
 YOSYS_NAMESPACE_BEGIN
 namespace ILANG_FRONTEND {
+	std::istream *lexin;
 	RTLIL::Design *current_design;
 	RTLIL::Module *current_module;
 	RTLIL::Wire *current_wire;
-- 
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