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If statements

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This commit is contained in:
Maxwell
2025-12-15 11:37:27 +11:00
parent 5196f73e16
commit 99bc0dbdc2
2 changed files with 56 additions and 7 deletions
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56
src/main.cpp
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@@ -14,6 +14,7 @@
namespace HighGround { namespace HighGround {
int tmpIdIterator = 0; int tmpIdIterator = 0;
int labelIterator = 0;
namespace Parser { namespace Parser {
@@ -98,7 +99,7 @@ namespace HighGround {
} }
const std::vector<HGGroundCodeBlock> generateCode() { const std::vector<HGGroundCodeBlock> generateCode() {
std::vector<HGGroundCodeBlock> code; std::vector<HGGroundCodeBlock> code;
for (auto& child : children) { if (nodeType != HGNodeType::If) for (auto& child : children) {
auto childCode = child.generateCode(); auto childCode = child.generateCode();
code.insert(code.end(), childCode.begin(), childCode.end()); code.insert(code.end(), childCode.begin(), childCode.end());
} }
@@ -174,6 +175,32 @@ namespace HighGround {
code.push_back(codeBlock); code.push_back(codeBlock);
break; break;
} }
case HGNodeType::If: {
auto conditionCode = children[0].generateCode();
code.insert(code.end(), conditionCode.begin(), conditionCode.end());
outputId = "tmp_" + std::to_string(tmpIdIterator++);
HGGroundCodeBlock codeBlock;
GroundInstruction gi = groundCreateInstruction(NOT);
groundAddReferenceToInstruction(&gi, groundCreateReference(VALREF, children[0].outputId.data()));
groundAddReferenceToInstruction(&gi, groundCreateReference(DIRREF, outputId.data()));
codeBlock.code.push_back(gi);
std::string labelId = "if_" + std::to_string(labelIterator++);
GroundInstruction gi2 = groundCreateInstruction(IF);
groundAddReferenceToInstruction(&gi2, groundCreateReference(VALREF, outputId.data()));
groundAddReferenceToInstruction(&gi2, groundCreateReference(LINEREF, labelId.data()));
codeBlock.code.push_back(gi2);
code.push_back(codeBlock);
for (size_t i = 1; i < children.size(); i++) {
auto childCode = children[i].generateCode();
code.insert(code.end(), childCode.begin(), childCode.end());
}
codeBlock.code.clear();
GroundInstruction gi3 = groundCreateInstruction(CREATELABEL);
groundAddReferenceToInstruction(&gi3, groundCreateReference(LABEL, labelId.data()));
codeBlock.code.push_back(gi3);
code.push_back(codeBlock);
break;
}
default: {} default: {}
} }
return code; return code;
@@ -368,10 +395,6 @@ namespace HighGround {
tokens.push_back(tokenopt.value()); tokens.push_back(tokenopt.value());
} }
auto children = Parser(tokens).parse(); auto children = Parser(tokens).parse();
if (children.children.size() != 1) {
std::cout << "Too many or too little conditions for if\n";
exit(1);
}
ifNode.addNode(children.children[0]); ifNode.addNode(children.children[0]);
tokens.clear(); tokens.clear();
size_t brackets = 1; size_t brackets = 1;
@@ -392,17 +415,36 @@ namespace HighGround {
} }
} }
} else { } else {
std::cout << "I want a code block\n"; std::cout << "I want a code block instead of a " + tokenopt.value() + "\n";
exit(1); exit(1);
} }
} else { } else {
std::cout << "FEED ME MORE TOKENSSSSS\n"; std::cout << "FEED ME MORE TOKENSSSSS\n";
exit(1); exit(1);
} }
auto childCodeBlock = Parser(tokens).parse();
ifNode.addNode(childCodeBlock.children[0]);
rootNode.addNode(ifNode);
break; break;
} }
case HGNodeType::CodeBlockStart: { case HGNodeType::CodeBlockStart: {
HGNode codeBlockNode(HGNodeType::CodeBlock); HGNode codeBlockNode(HGNodeType::CodeBlock);
size_t brackets = 1;
std::vector<std::string> tokens;
while (auto tokenopt = consume()) {
if (tokenopt.value() == "{") {
brackets++;
}
if (tokenopt.value() == "}") {
brackets--;
}
if (brackets == 0) {
break;
}
tokens.push_back(tokenopt.value());
}
codeBlockNode.children = Parser(tokens).parse().children;
rootNode.addNode(codeBlockNode);
// WIP // WIP
break; break;
} }
@@ -517,8 +559,8 @@ namespace HighGround {
tokens.push_back(buf); tokens.push_back(buf);
buf.clear(); buf.clear();
} }
tokens.push_back(std::string(1, c));
tokens.push_back("\n"); tokens.push_back("\n");
tokens.push_back(std::string(1, c));
} }
// tokens which do not need to be included // tokens which do not need to be included
case ' ': case ' ':

7
tests/if.hg Normal file
View File

@@ -0,0 +1,7 @@
if true {
puts "huzzah"
}
if false {
puts "aww"
}