From 5cb5229e438f84e8e30ea93556004f384c3a0b34 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emmanuel=20Beno=C3=AEt?= <tseeker@nocternity.net>
Date: Mon, 6 Nov 2017 10:56:19 +0100
Subject: [PATCH] Basic version of the parsercheck utility

---
 demo.srd       |  2 +-
 ebcl           |  2 +-
 parsercheck.cc | 81 +++++++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 82 insertions(+), 3 deletions(-)

diff --git a/demo.srd b/demo.srd
index ba0aa66..9cc6023 100644
--- a/demo.srd
+++ b/demo.srd
@@ -86,7 +86,7 @@
 		(get-input dof-falloff)
 		(get-input dof-max-blur)
 	))
-	(set-uniforms prog 3 ((get-input dof-samples))
+	(set-uniforms prog 3 ((get-input dof-samples)))
 	(set-uniforms prog 4 (vp-width vp-height time))
 )
 
diff --git a/ebcl b/ebcl
index 073fcb3..3adfdad 160000
--- a/ebcl
+++ b/ebcl
@@ -1 +1 @@
-Subproject commit 073fcb3d5e9366de941ebce73a42cbf3c7686b4d
+Subproject commit 3adfdadd119f2783877865a8365a29d4b567911f
diff --git a/parsercheck.cc b/parsercheck.cc
index 387c9aa..6da818a 100644
--- a/parsercheck.cc
+++ b/parsercheck.cc
@@ -1,3 +1,82 @@
-int main( )
+#include "externals.hh"
+#include "opast.hh"
+#include <ebcl/Files.hh>
+#include <ebcl/SRDText.hh>
+
+using namespace ebcl;
+using namespace opast;
+
+namespace {
+
+void PrintStreamError(
+		char const* const prefix ,
+		T_String const& name ,
+		X_StreamError const& error )
 {
+	T_StringBuilder sb;
+	sb << prefix << " '" << name << "': " << error.what( );
+	if ( error.code( ) == E_StreamError::SYSTEM_ERROR ) {
+		sb << " (error code " << error.systemError( ) << ")";
+	}
+	sb << '\n' << '\0';
+	fprintf( stderr , "%s" , sb.data( ) );
+}
+
+void WriteSRDError(
+		T_StringBuilder& sb ,
+		T_SRDError const& error )
+{
+	sb << error.location( ) << " - " << error.error( ) << "\n";
+}
+
+
+} // namespace
+
+int main( int argc , char** argv )
+{
+	// Open file
+	const T_String inputName( argc >= 2 ? argv[ 1 ] : "demo.srd" );
+	T_File input( inputName , E_FileMode::READ_ONLY );
+	try {
+		input.open( );
+	} catch ( X_StreamError const& e ) {
+		PrintStreamError( "Could not open" , inputName , e );
+		return 1;
+	}
+
+	// Load SRD data
+	T_SRDMemoryTarget srdOut;
+	srdOut.clearComments( true ).clearFlushToken( true );
+	try {
+		T_SRDTextReader srdReader{ srdOut };
+		T_FileInputStream fis{ input };
+		srdReader.read( inputName , fis );
+	} catch ( X_StreamError const& e ) {
+		PrintStreamError( "Could not open" , inputName , e );
+		return 1;
+	} catch ( X_SRDErrors const& e ) {
+		T_StringBuilder sb;
+		const auto nErrors( e.errors.size( ) );
+		for ( auto i = 0u ; i < nErrors ; i ++ ) {
+			WriteSRDError( sb , e.errors[ i ] );
+		}
+		sb << "No parsing happened due to format errors\n" << '\0';
+		fprintf( stderr , "%s" , sb.data( ) );
+		return 2;
+	}
+
+	// Parse the fuck
+	T_Parser parser;
+	if ( parser.parse( srdOut.list( ) ) ) {
+		printf( "Success!\n" );
+		return 0;
+	} else {
+		T_StringBuilder sb;
+		for ( auto const& err : parser.errors( ) ) {
+			WriteSRDError( sb , err );
+		}
+		sb << "Parser failed\n" << '\0';
+		fprintf( stderr , "%s" , sb.data( ) );
+		return 3;
+	}
 }