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keep track of contexts so that we can spot possible properties

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This commit is contained in:
Kevin Glynn 2011-01-12 14:52:41 +01:00
parent afeaaf4bfe
commit 4c9cc2dd4a
1 changed files with 37 additions and 7 deletions
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44
CSharpTranslator/antlr3/src/cs2j/CSharp/NetMaker.g
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@ -164,18 +164,38 @@ class_member_declaration:
exception:
EXCEPTION;
primary_expression returns [TypeRepTemplate dotNetType]:
primary_expression returns [TypeRepTemplate dotNetType]
scope {
bool parentIsApply;
}
@init {
$primary_expression::parentIsApply = false;
}:
^(INDEX expression expression_list?)
// | ^(APPLY identifier argument_list?)
// | ^(APPLY ^('.' expression identifier) argument_list?)
| ^(APPLY expression argument_list?)
| ^(APPLY {$primary_expression::parentIsApply = true; } expression {$primary_expression::parentIsApply = false; } argument_list?)
| ^(POSTINC expression)
| ^(POSTDEC expression)
| ^(access_operator expression identifier generic_argument_list?)
| predefined_type { $dotNetType = $predefined_type.dotNetType; }
| 'this' { $dotNetType = SymTabLookup("this"); }
| SUPER { $dotNetType = SymTabLookup("super"); }
| identifier { $dotNetType = SymTabLookup($identifier.thetext); }
| identifier
{
TypeRepTemplate idType = SymTabLookup($identifier.thetext);
if (idType == null) {
// Not a variable
// Is it a property? Enusre we are not being applied to arguments or about to be assigned
if (($primary_expression.Count == 1 || !((primary_expression_scope)($primary_expression.ToArray()[1])).parentIsApply) &&
($assignment.Count == 0 || !$assignment::parentIsSetter)) {
Debug($identifier.tree.Token.Line + ": '" + $identifier.thetext + "' might be a property");
}
}
$dotNetType = idType;
}
| primary_expression_start
// ('this' brackets) => 'this' brackets primary_expression_part*
// | ('base' brackets) => 'this' brackets primary_expression_part*
@ -457,8 +477,14 @@ expression returns [TypeRepTemplate dotNetType]:
;
expression_list:
expression (',' expression)* ;
assignment:
unary_expression assignment_operator expression ;
assignment
scope {
bool parentIsSetter;
}
@init {
$assignment::parentIsSetter = true;
}:
unary_expression assignment_operator {$assignment::parentIsSetter = false; } expression ;
unary_expression returns [TypeRepTemplate dotNetType]:
//('(' arguments ')' ('[' | '.' | '(')) => primary_or_array_creation_expression
@ -994,11 +1020,15 @@ switch_section:
switch_label:
^('case' constant_expression)
| 'default';
iteration_statement:
iteration_statement
scope SymTab;
@init {
$SymTab::symtab = new Dictionary<string,TypeRepTemplate>();
}:
^('while' boolean_expression SEP embedded_statement)
| do_statement
| ^('for' for_initializer? SEP for_condition? SEP for_iterator? SEP embedded_statement)
| ^('foreach' local_variable_type identifier expression SEP embedded_statement);
| ^('foreach' local_variable_type identifier { $SymTab::symtab[$identifier.thetext] = $local_variable_type.dotNetType; } expression SEP embedded_statement);
do_statement:
'do' embedded_statement 'while' '(' boolean_expression ')' ';' ;
for_initializer: