Removing poetry mode

This commit is contained in:
Jonathan Turner
2009-06-05 03:35:28 +00:00
parent 995bcdba85
commit 5d1bae709a
2 changed files with 7 additions and 22 deletions

View File

@@ -10,6 +10,7 @@
#include "langkit_parser.hpp"
std::pair<Token_Iterator, bool> String_Rule(Token_Iterator iter, Token_Iterator end, TokenPtr parent, bool keep, int new_id, const std::string &val) {
//std::cout << "S";
if (iter != end) {
if ((*iter)->text == val) {
if (keep) {
@@ -23,6 +24,7 @@ std::pair<Token_Iterator, bool> String_Rule(Token_Iterator iter, Token_Iterator
}
std::pair<Token_Iterator, bool> Type_Rule(Token_Iterator iter, Token_Iterator end, TokenPtr parent, bool keep, int new_id, const int val) {
//std::cout << "I";
if (iter != end) {
if ((*iter)->identifier == val) {
if (keep) {

View File

@@ -16,13 +16,13 @@
class TokenType { public: enum Type { File, 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,
Function_Def, Scoped_Block, Statement, Equation, Return, Expression, Term, Factor, Negate, Comment,
Value, Fun_Call, Method_Call, Poetry_Call, Comparison }; };
Value, Fun_Call, Method_Call, Comparison }; };
const char *tokentype_to_string(int tokentype) {
const char *token_types[] = {"File", "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",
"Function_Def", "Scoped_Block", "Statement", "Equation", "Return", "Expression", "Term", "Factor", "Negate", "Comment",
"Value", "Fun_Call", "Method_Call", "Poetry_Call", "Comparison" };
"Value", "Fun_Call", "Method_Call", "Comparison" };
return token_types[tokentype];
}
@@ -238,22 +238,6 @@ Boxed_Value eval_token(BoxedCPP_System &ss, TokenPtr node) {
}
}
break;
case (TokenType::Poetry_Call) : {
Param_List_Builder plb;
plb << eval_token(ss, node->children[0]);
for (i = 2; i < node->children.size(); ++i) {
plb << eval_token(ss, node->children[i]);
}
try {
retval = dispatch(ss.get_function(node->children[1]->text), plb);
}
catch(std::exception &e){
throw EvalError("Can not find appropriate '" + node->children[1]->text + "'");
}
}
break;
case (TokenType::Function_Def) : {
unsigned int num_args = node->children.size() - 2;
std::vector<std::string> param_names;
@@ -327,13 +311,13 @@ Rule build_parser_rules() {
Rule negate(TokenType::Negate);
Rule funcall(TokenType::Fun_Call);
Rule methodcall(TokenType::Method_Call);
Rule poetrycall(TokenType::Poetry_Call);
Rule value;
Rule statements;
Rule rule = *(fundef | statements);
statements = (equation >> *(Ign(Id(TokenType::Semicolon)) >> equation) >> *(Ign(Id(TokenType::Semicolon))));
fundef = Ign(Str("def")) >> Id(TokenType::Identifier) >> ~(Ign(Str("(")) >> ~params >> Ign(Str(")"))) >> block;
fundef = Ign(Str("def")) >> Id(TokenType::Identifier) >> ~(Ign(Id(TokenType::Parens_Open)) >> ~params >> Ign(Id(TokenType::Parens_Close))) >>
block >> ~Ign(Id(TokenType::Semicolon));
params = Id(TokenType::Identifier) >> *(Ign(Str(",")) >> Id(TokenType::Identifier));
block = Ign(Str("{")) >> ~statements >> Ign(Str("}"));
equation = *(Id(TokenType::Identifier) >> Ign(Str("="))) >> comparison;
@@ -341,10 +325,9 @@ Rule build_parser_rules() {
(Str("<=") >> expression) |(Str(">") >> expression) | (Str(">=") >> expression));
expression = term >> *((Str("+") >> term) | (Str("-") >> term));
term = factor >> *((Str("*") >> factor) | (Str("/") >> factor));
factor = methodcall | poetrycall | value | negate | (Ign(Str("+")) >> value);
factor = methodcall | value | negate | (Ign(Str("+")) >> value);
funcall = Id(TokenType::Identifier) >> Ign(Id(TokenType::Parens_Open)) >> ~(expression >> *(Ign(Str("," )) >> expression)) >> Ign(Id(TokenType::Parens_Close));
methodcall = value >> +(Ign(Str(".")) >> funcall);
poetrycall = value >> +(value);
negate = Ign(Str("-")) >> factor;
return_statement = Ign(Str("return")) >> expression;