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remember if an ast_value is a field-declaration, build fields before globals

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Wolfgang (Blub) Bumiller 2012-11-30 21:03:57 +01:00
parent 1a264e5576
commit 316298650e
3 changed files with 18 additions and 12 deletions
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1
ast.c
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@ -322,6 +322,7 @@ ast_value* ast_value_new(lex_ctx ctx, const char *name, int t)
self->name = name ? util_strdup(name) : NULL;
self->expression.vtype = t;
self->expression.next = NULL;
self->isfield = false;
self->cvq = CV_NONE;
self->hasvalue = false;
self->uses = 0;

3
ast.h
View file

@ -159,7 +159,8 @@ struct ast_value_s
ast_value *next;
*/
bool cvq; /* const/var qualifier */
bool cvq; /* const/var qualifier */
bool isfield; /* this declares a field */
bool hasvalue;
union {
double vfloat;

26
parser.c
View file

@ -3812,7 +3812,8 @@ static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofield
if (!localblock) {
/* deal with global variables, fields, functions */
if (!nofields && var->expression.vtype == TYPE_FIELD) {
if (!nofields && var->expression.vtype == TYPE_FIELD && parser->tok != '=') {
var->isfield = true;
vec_push(parser->fields, (ast_expression*)var);
util_htset(parser->htfields, var->name, var);
if (isvector) {
@ -3900,7 +3901,10 @@ skipvar:
if (parser->tok == ',')
goto another;
/*
if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
*/
if (!var) {
parseerror(parser, "missing comma or semicolon while parsing variables");
break;
}
@ -4008,7 +4012,7 @@ skipvar:
if (!localblock) {
cval = (ast_value*)cexp;
if (!ast_istype(cval, ast_value) || !cval->hasvalue || cval->cvq != CV_CONST)
if (!ast_istype(cval, ast_value) || ((!cval->hasvalue || cval->cvq != CV_CONST) && !cval->isfield))
parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
else
{
@ -4462,11 +4466,14 @@ bool parser_finish(const char *output)
return false;
}
}
for (i = 0; i < vec_size(parser->globals); ++i) {
for (i = 0; i < vec_size(parser->fields); ++i) {
ast_value *asvalue;
if (!ast_istype(parser->globals[i], ast_value))
asvalue = (ast_value*)(parser->fields[i]->expression.next);
if (!ast_istype((ast_expression*)asvalue, ast_value))
continue;
if (asvalue->expression.vtype != TYPE_ARRAY)
continue;
asvalue = (ast_value*)(parser->globals[i]);
if (asvalue->setter) {
if (!ast_global_codegen(asvalue->setter, ir, false) ||
!ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
@ -4488,14 +4495,11 @@ bool parser_finish(const char *output)
}
}
}
for (i = 0; i < vec_size(parser->fields); ++i) {
for (i = 0; i < vec_size(parser->globals); ++i) {
ast_value *asvalue;
asvalue = (ast_value*)(parser->fields[i]->expression.next);
if (!ast_istype((ast_expression*)asvalue, ast_value))
continue;
if (asvalue->expression.vtype != TYPE_ARRAY)
if (!ast_istype(parser->globals[i], ast_value))
continue;
asvalue = (ast_value*)(parser->globals[i]);
if (asvalue->setter) {
if (!ast_global_codegen(asvalue->setter, ir, false) ||
!ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||