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vkd3d-shader/hlsl: Parse function calls.

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Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-09-01 17:20:52 -05:00 committed by Alexandre Julliard
parent 6e182e0206
commit 32ba154eb2
1 changed files with 77 additions and 0 deletions
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77
libs/vkd3d-shader/hlsl.y
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@ -1523,6 +1523,67 @@ static struct list *declare_vars(struct hlsl_ctx *ctx, struct hlsl_type *basic_t
return statements_list;
}
struct find_function_call_args
{
const struct parse_initializer *params;
const struct hlsl_ir_function_decl *decl;
};
static void find_function_call_exact(struct rb_entry *entry, void *context)
{
const struct hlsl_ir_function_decl *decl = RB_ENTRY_VALUE(entry, const struct hlsl_ir_function_decl, entry);
struct find_function_call_args *args = context;
const struct hlsl_ir_var *param;
unsigned int i = 0;
LIST_FOR_EACH_ENTRY(param, decl->parameters, struct hlsl_ir_var, param_entry)
{
if (i >= args->params->args_count
|| !hlsl_types_are_equal(param->data_type, args->params->args[i++]->data_type))
return;
}
if (i == args->params->args_count)
args->decl = decl;
}
static const struct hlsl_ir_function_decl *find_function_call(struct hlsl_ctx *ctx,
const char *name, const struct parse_initializer *params)
{
struct find_function_call_args args = {.params = params};
struct hlsl_ir_function *func;
struct rb_entry *entry;
if (!(entry = rb_get(&ctx->functions, name)))
return NULL;
func = RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry);
rb_for_each_entry(&func->overloads, find_function_call_exact, &args);
if (!args.decl)
FIXME("Search for compatible overloads.\n");
return args.decl;
}
static struct list *add_call(struct hlsl_ctx *ctx, const char *name,
struct parse_initializer *params, struct vkd3d_shader_location loc)
{
const struct hlsl_ir_function_decl *decl;
if ((decl = find_function_call(ctx, name, params)))
{
hlsl_fixme(ctx, loc, "Call to user-defined function \"%s\".", name);
free_parse_initializer(params);
return NULL;
}
else
{
hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_NOT_DEFINED, "Function \"%s\" is not defined.", name);
free_parse_initializer(params);
return NULL;
}
vkd3d_free(params->args);
return params->instrs;
}
}
%locations
@ -1714,6 +1775,7 @@ static struct list *declare_vars(struct hlsl_ctx *ctx, struct hlsl_type *basic_t
%type <function> func_prototype
%type <initializer> complex_initializer
%type <initializer> func_arguments
%type <initializer> initializer_expr_list
%type <if_body> if_body
@ -2575,6 +2637,16 @@ expr_statement:
$$ = $1;
}
func_arguments:
%empty
{
$$.args = NULL;
$$.args_count = 0;
if (!($$.instrs = make_empty_list(ctx)))
YYABORT;
}
| initializer_expr_list
primary_expr:
C_FLOAT
{
@ -2631,6 +2703,11 @@ primary_expr:
{
$$ = $2;
}
| var_identifier '(' func_arguments ')'
{
if (!($$ = add_call(ctx, $1, &$3, @1)))
YYABORT;
}
postfix_expr:
primary_expr