generic-library/ChaiScript
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Added new ast nodes when new_id != -1

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This commit is contained in:
Jonathan Turner
2009-05-27 21:39:35 +00:00
parent 2ca701aa32
commit 891650b97d
3 changed files with 37 additions and 4 deletions
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14
langkit/main.cpp
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@@ -11,7 +11,8 @@
#include "langkit_parser.hpp"
class TokenType { public: enum Type { Whitespace, Identifier, Number, Operator, Parens_Open, Parens_Close,
Square_Open, Square_Close, Curly_Open, Curly_Close, Comma, Quoted_String, Single_Quoted_String, Carriage_Return, Semicolon }; };
Square_Open, Square_Close, Curly_Open, Curly_Close, Comma, Quoted_String, Single_Quoted_String, Carriage_Return, Semicolon,
Function_Def}; };
void debug_print(TokenPtr token, std::string prepend) {
std::cout << prepend << "Token: " << token->text << "(" << token->identifier << ") @ " << token->filename << ": (" << token->start.column
@@ -49,14 +50,23 @@ std::string load_file(const char *filename) {
void parse(std::vector<TokenPtr> &tokens) {
/*
Rule lhs;
Rule rhs;
Rule rule = lhs << rhs;
lhs = Str("def", true);
rhs = Id(TokenType::Identifier, true);
*/
//Rule rule(TokenType::Function_Def);
//rule = Str("def") | Str("int");
//Rule rule = Str("def", false) << Id(TokenType::Identifier, true);
//Rule rule = Str("def", false) << Id(TokenType::Identifier);
Rule params;
Rule rule(TokenType::Function_Def);
rule = Ign(Str("def")) << Id(TokenType::Identifier) << Ign(Str("(")) << params << Ign(Str(")"));
params = Id(TokenType::Identifier) << Ign(Str(",")) << Id(TokenType::Identifier);
Token_Iterator iter = tokens.begin(), end = tokens.end();
TokenPtr parent(new Token("Root", 0, "test"));