diff options
Diffstat (limited to 'cgen.c')
| -rw-r--r-- | cgen.c | 35 |
1 files changed, 33 insertions, 2 deletions
@@ -32,8 +32,14 @@ static bool cgen_expr(CGenerator *g, Expression *e) { case BINARY_SET: cgen_write(g, "="); break; + case BINARY_AT_INDEX: + cgen_write(g, "["); + break; } if (!cgen_expr(g, e->binary.rhs)) return false; + if (e->binary.op == BINARY_AT_INDEX) { + cgen_write(g, "]"); + } cgen_write(g, ")"); break; case EXPR_UNARY_OP: @@ -67,6 +73,28 @@ static bool cgen_expr(CGenerator *g, Expression *e) { static bool cgen_stmt(CGenerator *g, Statement *s); +static void cgen_zero_value(CGenerator *g, Type *t) { + switch (t->kind) { + case TYPE_VOID: /* we should never need this */ + assert(0); + break; + case TYPE_FN: + cgen_write(g, "NULL"); + break; + case TYPE_ARR: + cgen_write(g, "{"); + cgen_zero_value(g, t->arr.of); + cgen_write(g, "}"); + break; + case TYPE_BUILTIN: + if (type_builtin_is_numerical(t->builtin)) { + cgen_write(g, "0"); + } else { + assert(0); + } + break; + } +} static bool cgen_decl(CGenerator *g, Declaration *d) { arr_foreach(&d->idents, Identifier, ident) { @@ -78,13 +106,16 @@ static bool cgen_decl(CGenerator *g, Declaration *d) { } cgen_ident(g, *ident, NULL); cgen_type_post(g, &d->type); + cgen_write_space(g); + cgen_write(g, "="); if (d->flags & DECL_FLAG_HAS_EXPR) { cgen_write_space(g); - cgen_write(g, "="); - cgen_write_space(g); if (!cgen_expr(g, &d->expr)) { return false; } + } else { + cgen_write_space(g); + cgen_zero_value(g, &d->type); } cgen_write(g, "; "); } |