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While and for loops are working

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This commit is contained in:
Kayne Ruse
2022-08-20 13:27:47 +01:00
parent 975ed41d14
commit f5e060051e
4 changed files with 116 additions and 12 deletions
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64
source/compiler.c
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@@ -149,7 +149,7 @@ void writeCompiler(Compiler* compiler, Node* node) {
if (compiler->capacity < compiler->count + 1) {
int oldCapacity = compiler->capacity;
compiler->capacity = GROW_CAPACITY(oldCapacity);
compiler->capacity = GROW_CAPACITY_FAST(oldCapacity);
compiler->bytecode = GROW_ARRAY(unsigned char, compiler->bytecode, oldCapacity, compiler->capacity);
}
@@ -322,13 +322,63 @@ void writeCompiler(Compiler* compiler, Node* node) {
}
break;
// case NODE_PATH_WHILE: {
// //cache the jump point
// int jumpToBeginning = compiler->count;
// compiler->count += sizeof(unsigned short); //2 bytes
case NODE_PATH_WHILE: {
//cache the jump point
unsigned short jumpFromEnd = compiler->count;
// //
// }
//process the condition
writeCompiler(compiler, node->path.condition);
//if false, jump to end
compiler->bytecode[compiler->count++] = OP_IF_FALSE_JUMP; //1 byte
unsigned short jumpToEnd = compiler->count;
compiler->count += sizeof(unsigned short); //2 bytes
//write the body
writeCompiler(compiler, node->path.thenPath);
//jump to condition
compiler->bytecode[compiler->count++] = OP_JUMP; //1 byte
compiler->bytecode[compiler->count] = jumpFromEnd;
compiler->count += sizeof(unsigned short); //2 bytes
//jump from condition
compiler->bytecode[jumpToEnd] = compiler->count;
}
break;
case NODE_PATH_FOR: {
compiler->bytecode[compiler->count++] = OP_SCOPE_BEGIN; //1 byte
//initial setup
writeCompiler(compiler, node->path.preClause);
//conditional
unsigned short jumpFromEnd = compiler->count;
writeCompiler(compiler, node->path.condition);
//if false jump to end
compiler->bytecode[compiler->count++] = OP_IF_FALSE_JUMP; //1 byte
unsigned short jumpToEnd = compiler->count;
compiler->count += sizeof(unsigned short); //2 bytes
//write the body
compiler->bytecode[compiler->count++] = OP_SCOPE_BEGIN; //1 byte
writeCompiler(compiler, node->path.thenPath);
compiler->bytecode[compiler->count++] = OP_SCOPE_END; //1 byte
//evaluate third clause, restart
writeCompiler(compiler, node->path.postClause);
compiler->bytecode[compiler->count++] = OP_JUMP; //1 byte
compiler->bytecode[compiler->count] = jumpFromEnd;
compiler->count += sizeof(unsigned short); //2 bytes
compiler->bytecode[jumpToEnd] = compiler->count;
compiler->bytecode[compiler->count++] = OP_SCOPE_END; //1 byte
}
break;
}
}