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Added generator-dependent compilation and simple passthrough that allows us to have non-cheated emitted, printing c-code for the first time! (no typechecking or anything yet, but we'll get there). It's also still rough.

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This commit is contained in:
Nathan Braswell
2013-12-22 01:34:59 -06:00
parent 6ad406e42d
commit 935cc6f968
9 changed files with 55 additions and 33 deletions
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24
src/CGenerator.cpp
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@@ -1,6 +1,6 @@
#include "CGenerator.h"
CGenerator::CGenerator() {
CGenerator::CGenerator() : generatorString("__C__") {
tabLevel = 0;
}
CGenerator::~CGenerator() {
@@ -26,7 +26,8 @@ std::string CGenerator::generate(NodeTree<ASTData>* from) {
//Do nothing
break;
case import:
return "#include <" + data.symbol.getName() + ">\n";
return "/* would import \"" + data.symbol.getName() + "\" but....*/\n";
//return "#include <" + data.symbol.getName() + ">\n";
case identifier:
return data.symbol.getName();
case function:
@@ -34,7 +35,7 @@ std::string CGenerator::generate(NodeTree<ASTData>* from) {
for (int i = 0; i < children.size()-1; i++) {
if (i > 0)
output += ", ";
output += ASTData::ValueTypeToString(children[i]->getData().valueType) + " " + generate(children[i]);
output += ValueTypeToCType(children[i]->getData().valueType) + " " + generate(children[i]);
}
output+= ")\n" + generate(children[children.size()-1]);
return output;
@@ -65,11 +66,20 @@ std::string CGenerator::generate(NodeTree<ASTData>* from) {
output += "for (" + strSlice(generate(children[0]),0,-2) + generate(children[1]) + ";" + strSlice(generate(children[2]),0,-3) + ")\n\t" + generate(children[3]);
return output;
case return_statement:
return "return " + generate(children[0]);
if (children.size())
return "return " + generate(children[0]);
else
return "return";
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]);
case if_comp:
if (generate(children[0]) == generatorString)
return generate(children[1]);
return "";
case simple_passthrough:
return strSlice(generate(children[0]), 3, -4);
case function_call:
{
//Handle operators specially for now. Will later replace with
@@ -104,22 +114,20 @@ std::string CGenerator::ValueTypeToCType(ValueType type) {
switch (type) {
case none:
return "none";
break;
case void_type:
return "void";
case boolean:
return "bool";
break;
case integer:
return "int";
break;
case floating:
return "float";
break;
case double_percision:
return "double";
break;
case char_string:
return "char*";
break;
default:
return "unknown_ValueType";
}