From 6c8b1db065f4cb87d490e047a89e2cbad8a6d152 Mon Sep 17 00:00:00 2001
From: Benoit Foucher <benoit@zeroc.com>
Date: Tue, 29 Oct 2002 17:36:01 +0000
Subject: Fixed the translators to use the icecpp C preprocessor.

---
 cpp/src/slice2docbook/Main.cpp | 55 ++++++++++--------------------------------
 1 file changed, 13 insertions(+), 42 deletions(-)

(limited to 'cpp/src/slice2docbook/Main.cpp')

diff --git a/cpp/src/slice2docbook/Main.cpp b/cpp/src/slice2docbook/Main.cpp
index 7073be2d328..d16d7d3afc4 100644
--- a/cpp/src/slice2docbook/Main.cpp
+++ b/cpp/src/slice2docbook/Main.cpp
@@ -12,8 +12,8 @@
 //
 // **********************************************************************
 
+#include <Slice/Preprocessor.h>
 #include <Gen.h>
-#include <fstream>
 
 using namespace std;
 using namespace Slice;
@@ -44,7 +44,7 @@ usage(const char* n)
 int
 main(int argc, char* argv[])
 {
-    string cpp("cpp -C");
+    string cppArgs;
     bool debug = false;
     bool ice = false;
     bool caseSensitive = false;
@@ -57,8 +57,8 @@ main(int argc, char* argv[])
     {
 	if(strncmp(argv[idx], "-I", 2) == 0)
 	{
-	    cpp += ' ';
-	    cpp += argv[idx];
+	    cppArgs += ' ';
+	    cppArgs += argv[idx];
 
 	    for(int i = idx ; i + 1 < argc ; ++i)
 	    {
@@ -68,8 +68,8 @@ main(int argc, char* argv[])
 	}
 	else if(strncmp(argv[idx], "-D", 2) == 0 || strncmp(argv[idx], "-U", 2) == 0)
 	{
-	    cpp += ' ';
-	    cpp += argv[idx];
+	    cppArgs += ' ';
+	    cppArgs += argv[idx];
 
 	    for(int i = idx ; i + 1 < argc ; ++i)
 	    {
@@ -187,51 +187,22 @@ main(int argc, char* argv[])
 
     for(idx = 2 ; idx < argc ; ++idx)
     {
-	string file(argv[idx]);
-	string suffix;
-	string::size_type pos = file.rfind('.');
-	if(pos != string::npos)
-	{
-	    suffix = file.substr(pos);
-	    transform(suffix.begin(), suffix.end(), suffix.begin(), ::tolower);
-	}
-	if(suffix != ".ice")
-	{
-	    cerr << argv[0] << ": input files must end with `.ice'" << endl;
-	    unit->destroy();
-	    return EXIT_FAILURE;
-	}
+	Preprocessor icecpp(argv[0], argv[idx], cppArgs);
+	FILE* cppHandle = icecpp.preprocess(true);
 
-	ifstream test(argv[idx]);
-	if(!test)
+	if(cppHandle == 0)
 	{
-	    cerr << argv[0] << ": can't open `" << argv[idx] << "' for reading: " << strerror(errno) << endl;
 	    unit->destroy();
 	    return EXIT_FAILURE;
 	}
-	test.close();
-
-	string cmd = cpp + " " + argv[idx];
-#ifdef _WIN32
-	FILE* cppHandle = _popen(cmd.c_str(), "r");
-#else
-	FILE* cppHandle = popen(cmd.c_str(), "r");
-#endif
-	if(cppHandle == 0)
+	
+	status = unit->parse(cppHandle, debug);
+
+	if(!icecpp.close())
 	{
-	    cerr << argv[0] << ": can't run C++ preprocessor: " << strerror(errno) << endl;
 	    unit->destroy();
 	    return EXIT_FAILURE;
 	}
-	
-	status = unit->parse(cppHandle, debug);
-	
-#ifdef _WIN32
-	_pclose(cppHandle);
-#else
-	pclose(cppHandle);
-#endif
-	
     }
 
     if(status == EXIT_SUCCESS)
-- 
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