1 #ifndef MSP_GL_PROGRAMPARSER_H_
2 #define MSP_GL_PROGRAMPARSER_H_
8 #include <msp/io/base.h>
9 #include "programsyntax.h"
40 std::string source_name;
41 unsigned source_index;
42 unsigned current_line;
43 std::string::const_iterator iter;
44 std::string::const_iterator source_end;
45 bool allow_preprocess;
46 bool allow_stage_change;
47 std::string last_token;
48 std::deque<std::string> next_tokens;
49 ProgramSyntax::Module *module;
50 ProgramSyntax::Stage *cur_stage;
51 std::set<std::string> declared_types;
53 static Operator operators[];
59 ProgramSyntax::Module &parse(const std::string &, const std::string &, unsigned = 0);
60 ProgramSyntax::Module &parse(IO::Base &, const std::string &, unsigned = 0);
65 std::string format_error(const std::string &);
66 std::string format_syntax_error(const std::string &);
68 const std::string &peek_token(unsigned = 0);
69 const std::string &parse_token();
70 std::string parse_token_();
71 std::string parse_identifier();
72 std::string parse_number();
73 std::string parse_other();
74 void skip_comment_and_whitespace();
75 void expect(const std::string &);
76 std::string expect_type();
77 std::string expect_identifier();
78 bool check(const std::string &);
80 static bool is_interface_qualifier(const std::string &);
81 static bool is_sampling_qualifier(const std::string &);
82 static bool is_interpolation_qualifier(const std::string &);
83 static bool is_precision_qualifier(const std::string &);
84 static bool is_qualifier(const std::string &);
85 static bool is_builtin_type(const std::string &);
86 bool is_type(const std::string &);
87 bool is_identifier(const std::string &);
90 void preprocess_version();
91 void preprocess_pragma();
92 void preprocess_pragma_msp();
93 void preprocess_stage();
95 RefPtr<ProgramSyntax::Statement> parse_global_declaration();
96 RefPtr<ProgramSyntax::Statement> parse_statement();
97 RefPtr<ProgramSyntax::Import> parse_import();
98 RefPtr<ProgramSyntax::Precision> parse_precision();
99 RefPtr<ProgramSyntax::Layout> parse_layout();
100 void parse_block(ProgramSyntax::Block &, bool);
101 RefPtr<ProgramSyntax::Expression> parse_expression(unsigned = 0);
102 RefPtr<ProgramSyntax::BinaryExpression> parse_binary(const RefPtr<ProgramSyntax::Expression> &, const Operator *);
103 RefPtr<ProgramSyntax::FunctionCall> parse_function_call(const ProgramSyntax::VariableReference &);
104 RefPtr<ProgramSyntax::StructDeclaration> parse_struct_declaration();
105 RefPtr<ProgramSyntax::VariableDeclaration> parse_variable_declaration();
106 RefPtr<ProgramSyntax::FunctionDeclaration> parse_function_declaration();
107 RefPtr<ProgramSyntax::InterfaceBlock> parse_interface_block();
108 RefPtr<ProgramSyntax::Conditional> parse_conditional();
109 RefPtr<ProgramSyntax::Iteration> parse_for();
110 RefPtr<ProgramSyntax::Iteration> parse_while();
111 RefPtr<ProgramSyntax::Passthrough> parse_passthrough();
112 RefPtr<ProgramSyntax::Return> parse_return();