+++ /dev/null
-#ifndef MSP_GL_PROGRAMPARSER_H_
-#define MSP_GL_PROGRAMPARSER_H_
-
-#include <deque>
-#include <map>
-#include <set>
-#include <string>
-#include <msp/io/base.h>
-#include "programsyntax.h"
-
-namespace Msp {
-namespace GL {
-
-class ProgramParser
-{
-private:
- enum OperatorType
- {
- NO_OPERATOR,
- BINARY,
- PREFIX,
- POSTFIX
- };
-
- enum Associativity
- {
- LEFT_TO_RIGHT,
- RIGHT_TO_LEFT
- };
-
- struct Operator
- {
- const char token[4];
- unsigned precedence;
- OperatorType type;
- Associativity assoc;
- };
-
- std::string source;
- std::string source_name;
- 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 *module;
- ProgramSyntax::Stage *cur_stage;
- std::set<std::string> declared_types;
-
- static Operator operators[];
-
-public:
- ProgramParser();
- ~ProgramParser();
-
- ProgramSyntax::Module &parse(const std::string &, const std::string &);
- ProgramSyntax::Module &parse(IO::Base &, const std::string &);
-
-private:
- 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);
- const std::string &parse_token();
- std::string parse_token_();
- std::string parse_identifier();
- std::string parse_number();
- std::string parse_other();
- void skip_comment_and_whitespace();
- void expect(const std::string &);
- std::string expect_type();
- std::string expect_identifier();
- bool check(const std::string &);
-
- 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 &);
-
- void preprocess();
- void preprocess_pragma();
- void preprocess_pragma_msp();
- void preprocess_stage();
-
- RefPtr<ProgramSyntax::Node> parse_global_declaration();
- RefPtr<ProgramSyntax::Node> parse_statement();
- RefPtr<ProgramSyntax::Import> parse_import();
- RefPtr<ProgramSyntax::Precision> parse_precision();
- RefPtr<ProgramSyntax::Layout> parse_layout();
- void parse_block(ProgramSyntax::Block &, bool);
- 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
-} // namespace Msp
-
-#endif