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Added Type class, bettered types a bit, made address of and dereference operators work.

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Nathan Braswell
2013-12-23 01:26:24 -06:00
parent 935cc6f968
commit 15674fec2a
10 changed files with 207 additions and 106 deletions
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38
src/CGenerator.cpp
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@@ -73,7 +73,7 @@ std::string CGenerator::generate(NodeTree<ASTData>* from) {
case assignment_statement:
return generate(children[0]) + " = " + generate(children[1]);
case declaration_statement:
return ASTData::ValueTypeToString(children[0]->getData().valueType) + " " + generate(children[0]) + " = " + generate(children[1]);
return ValueTypeToCType(children[0]->getData().valueType) + " " + generate(children[0]) + " = " + generate(children[1]);
case if_comp:
if (generate(children[0]) == generatorString)
return generate(children[1]);
@@ -87,6 +87,8 @@ std::string CGenerator::generate(NodeTree<ASTData>* from) {
std::string name = data.symbol.getName();
if (name == "++" || name == "--")
return generate(children[0]) + name;
if (name == "*" && children.size() == 1) //Is dereference, not multiplication
return "*(" + generate(children[0]) + ")";
if (name == "+" || name == "-" || name == "*" || name == "/" || name == "==" || name == ">=" || name == "<=" || name == "!=" || name == "<" || name == ">" || name == "%" || name == "+=" || name == "-=" || name == "*=" || name == "/=") {
return "((" + generate(children[0]) + ")" + name + "(" + generate(children[1]) + "))";
}
@@ -110,25 +112,35 @@ std::string CGenerator::generate(NodeTree<ASTData>* from) {
return output;
}
std::string CGenerator::ValueTypeToCType(ValueType type) {
switch (type) {
std::string CGenerator::ValueTypeToCType(Type type) {
std::string return_type;
switch (type.baseType) {
case none:
return "none";
return_type = "none";
break;
case void_type:
return "void";
return_type = "void";
break;
case boolean:
return "bool";
return_type = "bool";
break;
case integer:
return "int";
return_type = "int";
break;
case floating:
return "float";
case double_percision:
return "double";
return_type = "float";
break;
case double_percision:
return_type = "double";
break;
case character:
return_type = "char";
break;
case char_string:
return "char*";
default:
return "unknown_ValueType";
return_type = "unknown_ValueType";
break;
}
for (int i = 0; i < type.indirection; i++)
return_type += "*";
return return_type;
}