X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogramparser.h;h=dc94bd0044443bd01ca862584e6784a58da4fb9f;hp=4bd6b70e99e1b9e2064eb9de9416a253ae5286bc;hb=71972b08fd031e177a005eb1924a5c7a15459291;hpb=73ce62f3b9c2bbfc1e655a9df343389a733dc795

diff --git a/source/programparser.h b/source/programparser.h
index 4bd6b70e..dc94bd00 100644
--- a/source/programparser.h
+++ b/source/programparser.h
@@ -3,6 +3,7 @@
 
 #include <deque>
 #include <map>
+#include <set>
 #include <string>
 #include <msp/io/base.h>
 #include "programsyntax.h"
@@ -36,27 +37,41 @@ private:
 	};
 
 	std::string source;
+	std::string source_name;
+	unsigned source_index;
+	unsigned current_line;
 	std::string::const_iterator iter;
+	std::string::const_iterator source_end;
+	bool allow_preprocess;
+	bool allow_stage_change;
+	std::string last_token;
 	std::deque<std::string> next_tokens;
-	ProgramSyntax::Module main_module;
-	ProgramSyntax::Module *cur_module;
+	ProgramSyntax::Module *module;
+	ProgramSyntax::Stage *cur_stage;
+	std::set<std::string> declared_types;
 
 	static Operator operators[];
 
 public:
-	ProgramSyntax::Module &parse(const std::string &);
-	ProgramSyntax::Module &parse(IO::Base &);
+	ProgramParser();
+	~ProgramParser();
+
+	ProgramSyntax::Module &parse(const std::string &, const std::string &, unsigned = 0);
+	ProgramSyntax::Module &parse(IO::Base &, const std::string &, unsigned = 0);
 
 private:
-	void parse_source(ProgramSyntax::Module &);
+	void parse_source();
+
+	std::string format_error(const std::string &);
+	std::string format_syntax_error(const std::string &);
 
 	const std::string &peek_token(unsigned = 0);
-	std::string parse_token();
+	const std::string &parse_token();
 	std::string parse_token_();
 	std::string parse_identifier();
 	std::string parse_number();
 	std::string parse_other();
-	bool skip_comment_and_whitespace();
+	void skip_comment_and_whitespace();
 	void expect(const std::string &);
 	std::string expect_type();
 	std::string expect_identifier();
@@ -64,26 +79,36 @@ private:
 
 	static bool is_interface_qualifier(const std::string &);
 	static bool is_sampling_qualifier(const std::string &);
+	static bool is_interpolation_qualifier(const std::string &);
+	static bool is_precision_qualifier(const std::string &);
 	static bool is_qualifier(const std::string &);
 	static bool is_builtin_type(const std::string &);
 	bool is_type(const std::string &);
 	bool is_identifier(const std::string &);
 
-	ProgramSyntax::Node *parse_global_declaration();
-	ProgramSyntax::Node *parse_statement();
-	ProgramSyntax::Layout *parse_layout();
+	void preprocess();
+	void preprocess_pragma();
+	void preprocess_pragma_msp();
+	void preprocess_stage();
+
+	RefPtr<ProgramSyntax::Statement> parse_global_declaration();
+	RefPtr<ProgramSyntax::Statement> parse_statement();
+	RefPtr<ProgramSyntax::Import> parse_import();
+	RefPtr<ProgramSyntax::Precision> parse_precision();
+	RefPtr<ProgramSyntax::Layout> parse_layout();
 	void parse_block(ProgramSyntax::Block &, bool);
-	ProgramSyntax::Expression *parse_expression(unsigned = 0);
-	ProgramSyntax::BinaryExpression *parse_binary(ProgramSyntax::Expression *, const Operator *);
-	ProgramSyntax::FunctionCall *parse_function_call(ProgramSyntax::VariableReference *);
-	ProgramSyntax::StructDeclaration *parse_struct_declaration();
-	ProgramSyntax::VariableDeclaration *parse_variable_declaration();
-	ProgramSyntax::FunctionDeclaration *parse_function_declaration();
-	void parse_function_parameter_list(ProgramSyntax::FunctionDeclaration &);
-	ProgramSyntax::InterfaceBlock *parse_interface_block();
-	ProgramSyntax::Conditional *parse_conditional();
-	ProgramSyntax::Iteration *parse_iteration();
-	ProgramSyntax::Return *parse_return();
+	RefPtr<ProgramSyntax::Expression> parse_expression(unsigned = 0);
+	RefPtr<ProgramSyntax::BinaryExpression> parse_binary(const RefPtr<ProgramSyntax::Expression> &, const Operator *);
+	RefPtr<ProgramSyntax::FunctionCall> parse_function_call(const ProgramSyntax::VariableReference &);
+	RefPtr<ProgramSyntax::StructDeclaration> parse_struct_declaration();
+	RefPtr<ProgramSyntax::VariableDeclaration> parse_variable_declaration();
+	RefPtr<ProgramSyntax::FunctionDeclaration> parse_function_declaration();
+	RefPtr<ProgramSyntax::InterfaceBlock> parse_interface_block();
+	RefPtr<ProgramSyntax::Conditional> parse_conditional();
+	RefPtr<ProgramSyntax::Iteration> parse_for();
+	RefPtr<ProgramSyntax::Iteration> parse_while();
+	RefPtr<ProgramSyntax::Passthrough> parse_passthrough();
+	RefPtr<ProgramSyntax::Return> parse_return();
 };
 
 } // namespace GL