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validation: simplify validating function parameters 

Bug: tint:931 tint:930
Change-Id: I04789218a33d1cf53862d42b83c39fc09e7ad4e4
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56620
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Sarah Mashayekhi <sarahmashay@google.com>
This commit is contained in:
Sarah 2021-06-30 19:22:30 +00:00 committed by Tint LUCI CQ
parent 885488da41
commit a8f58efc67
1 changed files with 26 additions and 23 deletions
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49
src/resolver/resolver.cc
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@ -122,6 +122,14 @@ bool IsValidationDisabled(const ast::DecorationList& decorations,
return false;
}
/// @returns true if the decoration list does not contains a
/// ast::DisableValidationDecoration with the validation mode equal to
/// `validation`
bool IsValidationEnabled(const ast::DecorationList& decorations,
ast::DisabledValidation validation) {
return !IsValidationDisabled(decorations, validation);
}
// Helper to stringify a pipeline IO decoration.
std::string deco_to_str(const ast::Decoration* deco) {
std::stringstream str;
@ -880,8 +888,8 @@ bool Resolver::ValidateVariable(const VariableInfo* info) {
return false;
}
if (!IsValidationDisabled(var->decorations(),
ast::DisabledValidation::kIgnoreStorageClass) &&
if (IsValidationEnabled(var->decorations(),
ast::DisabledValidation::kIgnoreStorageClass) &&
(var->declared_storage_class() == ast::StorageClass::kInput ||
var->declared_storage_class() == ast::StorageClass::kOutput)) {
AddError("invalid use of input/output storage class", var->source());
@ -910,10 +918,7 @@ bool Resolver::ValidateFunctionParameter(const ast::Function* func,
}
for (auto* deco : info->declaration->decorations()) {
if (!func->IsEntryPoint() &&
!IsValidationDisabled(
info->declaration->decorations(),
ast::DisabledValidation::kIgnoreAtomicFunctionParameter)) {
if (!func->IsEntryPoint() && !deco->Is<ast::InternalDecoration>()) {
AddError("decoration is not valid for function parameters",
deco->source());
return false;
@ -929,12 +934,12 @@ bool Resolver::ValidateFunctionParameter(const ast::Function* func,
}
} else if (!deco->IsAnyOf<ast::LocationDecoration,
ast::InternalDecoration>() &&
!(IsValidationDisabled(
info->declaration->decorations(),
ast::DisabledValidation::kEntryPointParameter) ||
IsValidationDisabled(info->declaration->decorations(),
ast::DisabledValidation::
kIgnoreAtomicFunctionParameter))) {
(IsValidationEnabled(
info->declaration->decorations(),
ast::DisabledValidation::kEntryPointParameter) &&
IsValidationEnabled(
info->declaration->decorations(),
ast::DisabledValidation::kIgnoreAtomicFunctionParameter))) {
AddError("decoration is not valid for function parameters",
deco->source());
return false;
@ -956,7 +961,7 @@ bool Resolver::ValidateFunctionParameter(const ast::Function* func,
if (IsPlain(info->type)) {
if (!IsAtomicFreePlain(info->type) &&
!IsValidationDisabled(
IsValidationEnabled(
info->declaration->decorations(),
ast::DisabledValidation::kIgnoreAtomicFunctionParameter)) {
AddError("store type of function parameter must be an atomic-free type",
@ -1094,7 +1099,7 @@ bool Resolver::ValidateFunction(const ast::Function* func,
func->source());
return false;
}
} else if (!IsValidationDisabled(
} else if (IsValidationEnabled(
func->decorations(),
ast::DisabledValidation::kFunctionHasNoBody)) {
TINT_ICE(Resolver, diagnostics_)
@ -1211,7 +1216,7 @@ bool Resolver::ValidateEntryPoint(const ast::Function* func,
pipeline_io_attribute->source());
return false;
}
} else if (!IsValidationDisabled(
} else if (IsValidationEnabled(
decos, ast::DisabledValidation::kEntryPointParameter)) {
if (!pipeline_io_attribute) {
std::string err = "missing entry point IO attribute";
@ -1352,12 +1357,10 @@ bool Resolver::ValidateEntryPoint(const ast::Function* func,
auto bp = var_info->binding_point;
auto res = binding_points.emplace(bp, var_info->declaration);
if (!res.second &&
!IsValidationDisabled(
var_info->declaration->decorations(),
ast::DisabledValidation::kBindingPointCollision) &&
!IsValidationDisabled(
res.first->second->decorations(),
ast::DisabledValidation::kBindingPointCollision)) {
IsValidationEnabled(var_info->declaration->decorations(),
ast::DisabledValidation::kBindingPointCollision) &&
IsValidationEnabled(res.first->second->decorations(),
ast::DisabledValidation::kBindingPointCollision)) {
// https://gpuweb.github.io/gpuweb/wgsl/#resource-interface
// Bindings must not alias within a shader stage: two different
// variables in the resource interface of a given shader must not have
@ -2848,8 +2851,8 @@ bool Resolver::VariableDeclStatement(const ast::VariableDeclStatement* stmt) {
if (!var->is_const()) {
if (info->storage_class != ast::StorageClass::kFunction &&
!IsValidationDisabled(var->decorations(),
ast::DisabledValidation::kIgnoreStorageClass)) {
IsValidationEnabled(var->decorations(),
ast::DisabledValidation::kIgnoreStorageClass)) {
if (info->storage_class != ast::StorageClass::kNone) {
AddError("function variable has a non-function storage class",
stmt->source());