#include <deque>
#include <map>
+#include <set>
#include <string>
#include <msp/io/base.h>
#include "programsyntax.h"
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::const_iterator iter;
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:
+ ProgramParser();
+ ~ProgramParser();
+
ProgramSyntax::Module &parse(const std::string &);
ProgramSyntax::Module &parse(IO::Base &);
private:
- void parse_source(ProgramSyntax::Module &);
+ void parse_source();
const std::string &peek_token(unsigned = 0);
std::string parse_token();
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();
+ RefPtr<ProgramSyntax::Node> parse_global_declaration();
+ RefPtr<ProgramSyntax::Node> parse_statement();
+ RefPtr<ProgramSyntax::Import> parse_import();
+ RefPtr<ProgramSyntax::Layout> parse_layout();
void parse_block(ProgramSyntax::Block &, bool);
- void parse_expression(ProgramSyntax::Expression &);
- 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_iteration();
+ RefPtr<ProgramSyntax::Passthrough> parse_passthrough();
+ RefPtr<ProgramSyntax::Return> parse_return();
};
} // namespace GL