From eeea75fa7820f1a7ee4958b65667d0078e01f3bd Mon Sep 17 00:00:00 2001 From: ubq323 Date: Mon, 10 Jul 2023 12:25:53 +0100 Subject: initial --- ast.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 ast.c (limited to 'ast.c') diff --git a/ast.c b/ast.c new file mode 100644 index 0000000..07c0f34 --- /dev/null +++ b/ast.c @@ -0,0 +1,46 @@ +#include "ast.h" +#include +#include +#include + +AstVec astvec_new() { + AstNode *vals = malloc(2 * sizeof(AstNode)); + return (AstVec){ + .len = 0, + .cap = 2, + vals = vals + }; +} + +void astvec_append(AstVec *v, AstNode val) { + if (v->len == v->cap) { + size_t newcap = v->cap * 2; + printf("%ld to %ld\n", v->cap, newcap); + v->vals = realloc(v->vals, newcap * sizeof(AstNode)); + v->cap = newcap; + } + v->vals[v->len] = val; + v->len ++; +} + +AstNode astnode_new_num(int n) { + return (AstNode){ + .ty = AST_NUM, + .as = { + .num = n, + }, + }; +} + +AstNode astnode_new_list() { + return (AstNode){ + .ty = AST_LIST, + .as = { + .list = astvec_new() + } + }; +} + + + + -- cgit v1.2.3