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made _ a special token in GDScript

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This commit is contained in:
karroffel 2017-01-20 09:25:15 +01:00
parent 72a0255585
commit c24c739da5
3 changed files with 9 additions and 7 deletions
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13
modules/gdscript/gd_parser.cpp
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@ -1704,7 +1704,7 @@ GDParser::PatternNode *GDParser::_parse_pattern(bool p_static)
}
switch (token) {
// dictionary
// array
case GDTokenizer::TK_BRACKET_OPEN: {
tokenizer->advance();
pattern->pt_type = GDParser::PatternNode::PT_ARRAY;
@ -1759,7 +1759,7 @@ GDParser::PatternNode *GDParser::_parse_pattern(bool p_static)
pattern->bind = tokenizer->get_token_identifier();
tokenizer->advance();
} break;
// array
// dictionary
case GDTokenizer::TK_CURLY_BRACKET_OPEN: {
tokenizer->advance();
pattern->pt_type = GDParser::PatternNode::PT_DICTIONARY;
@ -1826,17 +1826,16 @@ GDParser::PatternNode *GDParser::_parse_pattern(bool p_static)
}
}
} break;
case GDTokenizer::TK_WILDCARD: {
tokenizer->advance();
pattern->pt_type = PatternNode::PT_WILDCARD;
} break;
// all the constants like strings and numbers
default: {
Node *value = _parse_and_reduce_expression(pattern, p_static);
if (error_set) {
return NULL;
}
if (value->type == Node::TYPE_IDENTIFIER && static_cast<IdentifierNode*>(value)->name == "_") {
// wildcard pattern
pattern->pt_type = PatternNode::PT_WILDCARD;
break;
}
if (value->type != Node::TYPE_IDENTIFIER && value->type != Node::TYPE_CONSTANT) {
_set_error("Only constant expressions or variables allowed in a pattern");