#include "compile-node.h"

#include <bshell/ast.h>
#include <bshell/compile.h>
#include <bshell/status.h>

extern enum bshell_status compile_node(
	struct compile_ctx *ctx,
	struct bshell_ast_node *src)
{
	switch (src->n_type) {
	case BSHELL_AST_IF:
		return compile_if(ctx, src);
	case BSHELL_AST_BLOCK:
		return compile_block_immediate(ctx, src);
	default:
		return compile_expression(ctx, src);
	}

	return BSHELL_SUCCESS;
}

enum bshell_status bshell_compile(
	struct bshell_ast_node *src,
	bshell_scriptblock *dest)
{
	struct compile_ctx ctx = {.c_block = dest};

	enum bshell_status status = compile_node(&ctx, src);
	if (status != BSHELL_SUCCESS) {
		return status;
	}

	status = compile_resolve_labels(&ctx);

	while (!fx_queue_empty(&ctx.c_state)) {
		compile_pop_state(&ctx);
	}

	while (!fx_queue_empty(&ctx.c_stack)) {
		struct compile_value *value = compile_pop_value(&ctx);
		compile_value_destroy(value);
	}

	if (status != BSHELL_SUCCESS) {
		return status;
	}

	return BSHELL_SUCCESS;
}