diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/codegen.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/codegen.c b/src/codegen.c index 91f8cc6..36f854d 100644 --- a/src/codegen.c +++ b/src/codegen.c @@ -736,14 +736,32 @@ void codegen(Program* prog, FILE* out) { for (int i = 0; i < prog->vars->node_len; ++i) { AstNode* var = prog->vars->node_items + i; if (var->node_expr) { - if (type_sizeof(var->ty) == 1) + if (type_sizeof(var->ty) == 1) { + if (var->node_expr->kind != AstNodeKind_int_expr) + unimplemented(); fprintf(g->out, " %s: .byte %d\n", var->name, var->node_expr->node_int_value); - else if (type_sizeof(var->ty) == 2) + } else if (type_sizeof(var->ty) == 2) { + if (var->node_expr->kind != AstNodeKind_int_expr) + unimplemented(); fprintf(g->out, " %s: .word %d\n", var->name, var->node_expr->node_int_value); - else if (type_sizeof(var->ty) == 4) + } else if (type_sizeof(var->ty) == 4) { + if (var->node_expr->kind != AstNodeKind_int_expr) + unimplemented(); fprintf(g->out, " %s: .int %d\n", var->name, var->node_expr->node_int_value); - else + } else if (var->ty->kind == TypeKind_ptr) { + if (var->node_expr->kind == AstNodeKind_ref_expr) { + if (var->node_expr->node_operand->kind != AstNodeKind_gvar) { + unimplemented(); + } + fprintf(g->out, " %s: .quad %s\n", var->name, var->node_expr->node_operand->name); + } else if (var->node_expr->kind == AstNodeKind_gvar) { + fprintf(g->out, " %s: .quad %s\n", var->name, var->node_expr->name); + } else { + unimplemented(); + } + } else { unimplemented(); + } } else { fprintf(g->out, " %s: .zero %d\n", var->name, type_sizeof(var->ty)); } |