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Merge pull request #41780 from Chaosus/improve_shader_messages

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Improve messages in shader function validation
This commit is contained in:
Rémi Verschelde 2020-09-05 12:38:44 +02:00 committed by GitHub
commit daefe12774
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 44 additions and 8 deletions
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52
servers/rendering/shader_language.cpp
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@ -2353,10 +2353,13 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const Map<Strin
err += ",";
}
if (p_func->arguments[i + 1]->type == Node::TYPE_CONSTANT && p_func->arguments[i + 1]->get_datatype() == TYPE_INT && static_cast<ConstantNode *>(p_func->arguments[i + 1])->values[0].sint < 0) {
err += "-";
String arg_name;
if (args[i] == TYPE_STRUCT) {
arg_name = args2[i];
} else {
arg_name = get_datatype_name(args[i]);
}
err += get_datatype_name(args[i]);
err += arg_name;
}
err += ")";
_set_error(err);
@ -2380,6 +2383,9 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const Map<Strin
return false;
}
int last_arg_count = 0;
String arg_list = "";
for (int i = 0; i < shader->functions.size(); i++) {
if (name != shader->functions[i].name) {
continue;
@ -2391,21 +2397,45 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const Map<Strin
}
FunctionNode *pfunc = shader->functions[i].function;
if (arg_list == "") {
for (int j = 0; j < args.size(); j++) {
if (j > 0) {
arg_list += ", ";
}
String func_arg_name;
if (pfunc->arguments[j].type == TYPE_STRUCT) {
func_arg_name = pfunc->arguments[j].type_str;
} else {
func_arg_name = get_datatype_name(pfunc->arguments[j].type);
}
arg_list += func_arg_name;
}
}
if (pfunc->arguments.size() != args.size()) {
last_arg_count = pfunc->arguments.size();
continue;
}
bool fail = false;
for (int j = 0; j < args.size(); j++) {
if (args[j] == TYPE_STRUCT && args2[j] != pfunc->arguments[j].type_str) {
fail = true;
break;
}
if (get_scalar_type(args[j]) == args[j] && p_func->arguments[j + 1]->type == Node::TYPE_CONSTANT && convert_constant(static_cast<ConstantNode *>(p_func->arguments[j + 1]), pfunc->arguments[j].type)) {
//all good, but it needs implicit conversion later
} else if (args[j] != pfunc->arguments[j].type) {
} else if (args[j] != pfunc->arguments[j].type || (args[j] == TYPE_STRUCT && args2[j] != pfunc->arguments[j].type_str)) {
String func_arg_name;
if (pfunc->arguments[j].type == TYPE_STRUCT) {
func_arg_name = pfunc->arguments[j].type_str;
} else {
func_arg_name = get_datatype_name(pfunc->arguments[j].type);
}
String arg_name;
if (args[j] == TYPE_STRUCT) {
arg_name = args2[j];
} else {
arg_name = get_datatype_name(args[j]);
}
_set_error(vformat("Invalid argument for \"%s(%s)\" function: argument %s should be %s but is %s.", String(name), arg_list, j + 1, func_arg_name, arg_name));
fail = true;
break;
}
@ -2441,6 +2471,12 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const Map<Strin
}
}
if (last_arg_count > args.size()) {
_set_error(vformat("Too few arguments for \"%s(%s)\" call. Expected at least %s but received %s.", String(name), arg_list, last_arg_count, args.size()));
} else if (last_arg_count < args.size()) {
_set_error(vformat("Too many arguments for \"%s(%s)\" call. Expected at most %s but received %s.", String(name), arg_list, last_arg_count, args.size()));
}
return false;
}