miloignis/kraken
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Clean up, some small additions.

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This commit is contained in:
Nathan Braswell
2013-12-28 21:54:22 -05:00
parent 98b899b8a9
commit dd9c8059ff
4 changed files with 21 additions and 14 deletions
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2
krakenGrammer.kgm
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@@ -1,6 +1,6 @@
Goal = translation_unit ;
translation_unit = interpreter_directive WS unorderd_list_part WS ;
unorderd_list_part = import_list WS unorderd_list_part | function WS unorderd_list_part | if_comp WS unorderd_list_part | simple_passthrough WS unorderd_list_part | import_list | function | if_comp | simple_passthrough ;
unorderd_list_part = import_list WS unorderd_list_part | function WS unorderd_list_part | if_comp WS unorderd_list_part | simple_passthrough WS unorderd_list_part | declaration_statement WS ";" WS unorderd_list_part | import_list | function | if_comp | simple_passthrough | declaration_statement WS ";" ;
type = type WS "\*" | "void" | "int" | "float" | "double" | "char" | identifier ;

4
main.cpp
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@@ -36,9 +36,9 @@ int main(int argc, char* argv[]) {
return(1);
}
grammerInFile.open(argv[2]);
grammerInFile.open(grammerFileString);
if (!grammerInFile.is_open()) {
std::cout << "Problem opening grammerInFile " << argv[2] << "\n";
std::cout << "Problem opening grammerInFile " << grammerFileString << "\n";
return(1);
}

10
src/ASTTransformation.cpp
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@@ -250,22 +250,22 @@ std::string ASTTransformation::concatSymbolTree(NodeTree<Symbol>* root) {
NodeTree<ASTData>* ASTTransformation::scopeLookup(NodeTree<ASTData>* scope, std::string lookup) {
//Seach the map
auto scopeMap = scope->getDataRef()->scope;
std::cout << "scope size: " << scopeMap.size() << ", scope from " << scope->getName() << std::endl;
//std::cout << "scope size: " << scopeMap.size() << ", scope from " << scope->getName() << std::endl;
for (auto i = scopeMap.begin(); i != scopeMap.end(); i++)
std::cout << i->first << " : " << i-> second << " - " << i->second->getName() << std::endl;
auto elementIterator = scopeMap.find(lookup);
if (elementIterator != scopeMap.end()) {
std::cout << "lookup of " << lookup << " succeded in first scope!" << std::endl;
// std::cout << "lookup of " << lookup << " succeded in first scope!" << std::endl;
return elementIterator->second;
}
std::cout << "lookup of " << lookup << " failed in first scope, checking for upper scope" << std::endl;
//std::cout << "lookup of " << lookup << " failed in first scope, checking for upper scope" << std::endl;
//if it doesn't exist, try the enclosing scope if it exists.
auto enclosingIterator = scopeMap.find("~enclosing_scope");
if (enclosingIterator != scopeMap.end()) {
std::cout << "upper scope exists, searching it for " << lookup << std::endl;
// std::cout << "upper scope exists, searching it for " << lookup << std::endl;
return scopeLookup(enclosingIterator->second, lookup);
}
std::cout << "upper scope does not exist" << std::endl;
//std::cout << "upper scope does not exist" << std::endl;
return NULL;
}

19
src/CGenerator.cpp
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@@ -23,17 +23,24 @@ std::string CGenerator::generate(NodeTree<ASTData>* from) {
//Declare everything in translation unit scope here. (allows stuff from other files, automatic forward declarations)
for (auto i = data.scope.begin(); i != data.scope.end(); i++) {
NodeTree<ASTData>* declaration = i->second;
std::vector<NodeTree<ASTData>*> decChildren = declaration->getChildren();
ASTData declarationData = i->second->getData();
switch(declarationData.type) {
case identifier:
output += ValueTypeToCType(declarationData.valueType) + " " + declarationData.symbol.getName() + "; /*identifier*/\n";
break;
case function:
output += "/*func*/\n";
output += "\n" + ValueTypeToCType(declarationData.valueType) + " " + declarationData.symbol.getName() + "(";
for (int j = 0; j < decChildren.size()-1; j++) {
if (j > 0)
output += ", ";
output += ValueTypeToCType(decChildren[j]->getData().valueType) + " " + generate(decChildren[j]);
}
output+= "); /*func*/\n";
break;
default:
std::cout << "Declaration? of unknown type " << ASTData::ASTTypeToString(declarationData.type) << " in translation unit scope" << std::endl;
output += "/*unknown declaration*/\n";
std::cout << "Declaration? named " << declaration->getName() << " of unknown type " << ASTData::ASTTypeToString(declarationData.type) << " in translation unit scope" << std::endl;
output += "/*unknown declaration named " + declaration->getName() + "*/\n";
}
}
break;
@@ -77,8 +84,8 @@ std::string CGenerator::generate(NodeTree<ASTData>* from) {
output += "while (" + generate(children[0]) + ")\n\t" + generate(children[1]);
return output;
case for_loop:
//The strSlice's are there to get ride of an unwanted return and an unwanted semicolon
output += "for (" + strSlice(generate(children[0]),0,-2) + generate(children[1]) + ";" + strSlice(generate(children[2]),0,-3) + ")\n\t" + generate(children[3]);
//The strSlice's are there to get ride of an unwanted return and an unwanted semicolon(s)
output += "for (" + strSlice(generate(children[0]),0,-3) + generate(children[1]) + ";" + strSlice(generate(children[2]),0,-3) + ")\n\t" + generate(children[3]);
return output;
case return_statement:
if (children.size())
@@ -88,7 +95,7 @@ std::string CGenerator::generate(NodeTree<ASTData>* from) {
case assignment_statement:
return generate(children[0]) + " = " + generate(children[1]);
case declaration_statement:
return ValueTypeToCType(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]);