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/*
* Statement parser.
* Copyright (c) 2023-2024, Quinn Stephens and the OSMORA team.
* Provided under the BSD 3-Clause license.
*/
#include <stdbool.h>
#include "debug.h"
#include "parser/ast.h"
#include "parser/stmt.h"
#include "parser/proc.h"
#include "parser.h"
static bool
parse_ret(struct parser *ctx, struct ast_node *parent, struct procedure *proc)
{
struct ast_node *node;
(void)proc;
debug("Parsing return statement...\n");
/* TODO: Parse return value */
next_token(ctx);
if (ctx->tok.kind != TK_SEMICOLON) {
tok_error(&ctx->tok, "Expected \";\"\n");
return false;
}
next_token(ctx);
node = ast_new_node(NK_RETURN);
ast_append_child(parent, node);
return true;
}
void
parse_stmt_block(struct parser *ctx, struct ast_node *parent, struct procedure *proc)
{
bool success;
debug("Parsing statement block...\n");
next_token(ctx);
while (ctx->tok.kind != TK_RBRACE) {
switch (ctx->tok.kind) {
case TK_RET:
success = parse_ret(ctx, parent, proc);
break;
default:
tok_error(&ctx->tok, "Expected statement\n");
success = false;
break;
}
if (!success) {
return;
}
}
next_token(ctx);
}
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