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If-then-else is working with jump statements

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This commit is contained in:
Kayne Ruse
2022-08-20 12:38:29 +01:00
parent cbdfcbcc14
commit 975ed41d14
8 changed files with 223 additions and 2 deletions
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42
source/compiler.c
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@@ -288,7 +288,47 @@ void writeCompiler(Compiler* compiler, Node* node) {
}
break;
//TODO: OP_VAR_ASSIGN
case NODE_PATH_IF: {
//process the condition
writeCompiler(compiler, node->path.condition);
//cache the point to insert the jump distance at
compiler->bytecode[compiler->count++] = OP_IF_FALSE_JUMP; //1 byte
int jumpToElse = compiler->count;
compiler->count += sizeof(unsigned short); //2 bytes
//write the then path
writeCompiler(compiler, node->path.thenPath);
int jumpToEnd = 0;
if (node->path.elsePath) {
//insert jump to end
compiler->bytecode[compiler->count++] = OP_JUMP; //1 byte
jumpToEnd = compiler->count;
compiler->count += sizeof(unsigned short); //2 bytes
}
//update the jumpToElse to point here
compiler->bytecode[jumpToElse] = compiler->count;
if (node->path.elsePath) {
//if there's an else path, write it and
writeCompiler(compiler, node->path.elsePath);
//update the jumpToEnd to point here
compiler->bytecode[jumpToEnd] = compiler->count;
}
}
break;
// case NODE_PATH_WHILE: {
// //cache the jump point
// int jumpToBeginning = compiler->count;
// compiler->count += sizeof(unsigned short); //2 bytes
// //
// }
}
}