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6a769ac1df
v8/test/cctest/test-typing-reset.cc
mstarzinger 6a769ac1df [presubmit] Enable readability/namespace linter checking. 
This enables linter checking for "readability/namespace" violations
during presubmit and instead marks the few known exceptions that we
allow explicitly.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1371083003

Cr-Commit-Position: refs/heads/master@{#31019}
2015-09-30 13:47:11 +00:00

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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// TODO(mythria): Remove this define after this flag is turned on globally
#define V8_IMMINENT_DEPRECATION_WARNINGS
#include <stdlib.h>
#include "src/v8.h"
#include "src/ast.h"
#include "src/ast-expression-visitor.h"
#include "src/parser.h"
#include "src/rewriter.h"
#include "src/scopes.h"
#include "src/typing-reset.h"
#include "test/cctest/cctest.h"
#include "test/cctest/compiler/function-tester.h"
#include "test/cctest/expression-type-collector.h"
#include "test/cctest/expression-type-collector-macros.h"
#define INT32_TYPE Bounds(Type::Signed32(), Type::Signed32())
using namespace v8::internal;
namespace {
class TypeSetter : public AstExpressionVisitor {
public:
TypeSetter(Isolate* isolate, Zone* zone, FunctionLiteral* root)
: AstExpressionVisitor(isolate, zone, root) {}
protected:
void VisitExpression(Expression* expression) {
expression->set_bounds(INT32_TYPE);
}
};
void CheckAllSame(ZoneVector<ExpressionTypeEntry>& types,
Bounds expected_type) {
CHECK_TYPES_BEGIN {
// function logSum
CHECK_EXPR(FunctionLiteral, expected_type) {
CHECK_EXPR(FunctionLiteral, expected_type) {
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(start, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(start, expected_type);
CHECK_EXPR(Literal, expected_type);
}
}
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(end, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(end, expected_type);
CHECK_EXPR(Literal, expected_type);
}
}
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(sum, expected_type);
CHECK_EXPR(Literal, expected_type);
}
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(p, expected_type);
CHECK_EXPR(Literal, expected_type);
}
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(q, expected_type);
CHECK_EXPR(Literal, expected_type);
}
// for (p = start << 3, q = end << 3;
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(p, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(start, expected_type);
CHECK_EXPR(Literal, expected_type);
}
}
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(q, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(end, expected_type);
CHECK_EXPR(Literal, expected_type);
}
}
}
// (p|0) < (q|0);
CHECK_EXPR(CompareOperation, expected_type) {
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(p, expected_type);
CHECK_EXPR(Literal, expected_type);
}
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(q, expected_type);
CHECK_EXPR(Literal, expected_type);
}
}
// p = (p + 8)|0) {\n"
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(p, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(p, expected_type);
CHECK_EXPR(Literal, expected_type);
}
CHECK_EXPR(Literal, expected_type);
}
}
// sum = sum + +log(values[p>>3]);
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(sum, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(sum, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_EXPR(Call, expected_type) {
CHECK_VAR(log, expected_type);
CHECK_EXPR(Property, expected_type) {
CHECK_VAR(values, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(p, expected_type);
CHECK_EXPR(Literal, expected_type);
}
}
}
CHECK_EXPR(Literal, expected_type);
}
}
}
// return +sum;
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(sum, expected_type);
CHECK_EXPR(Literal, expected_type);
}
}
// function geometricMean
CHECK_EXPR(FunctionLiteral, expected_type) {
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(start, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(start, expected_type);
CHECK_EXPR(Literal, expected_type);
}
}
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(end, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(end, expected_type);
CHECK_EXPR(Literal, expected_type);
}
}
// return +exp(+logSum(start, end) / +((end - start)|0));
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_EXPR(Call, expected_type) {
CHECK_VAR(exp, expected_type);
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_EXPR(Call, expected_type) {
CHECK_VAR(logSum, expected_type);
CHECK_VAR(start, expected_type);
CHECK_VAR(end, expected_type);
}
CHECK_EXPR(Literal, expected_type);
}
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_EXPR(BinaryOperation, expected_type) {
CHECK_VAR(end, expected_type);
CHECK_VAR(start, expected_type);
}
CHECK_EXPR(Literal, expected_type);
}
CHECK_EXPR(Literal, expected_type);
}
}
}
CHECK_EXPR(Literal, expected_type);
}
}
// "use asm";
CHECK_EXPR(Literal, expected_type);
// var exp = stdlib.Math.exp;
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(exp, expected_type);
CHECK_EXPR(Property, expected_type) {
CHECK_EXPR(Property, expected_type) {
CHECK_VAR(stdlib, expected_type);
CHECK_EXPR(Literal, expected_type);
}
CHECK_EXPR(Literal, expected_type);
}
}
// var log = stdlib.Math.log;
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(log, expected_type);
CHECK_EXPR(Property, expected_type) {
CHECK_EXPR(Property, expected_type) {
CHECK_VAR(stdlib, expected_type);
CHECK_EXPR(Literal, expected_type);
}
CHECK_EXPR(Literal, expected_type);
}
}
// var values = new stdlib.Float64Array(buffer);
CHECK_EXPR(Assignment, expected_type) {
CHECK_VAR(values, expected_type);
CHECK_EXPR(CallNew, expected_type) {
CHECK_EXPR(Property, expected_type) {
CHECK_VAR(stdlib, expected_type);
CHECK_EXPR(Literal, expected_type);
}
CHECK_VAR(buffer, expected_type);
}
}
// return { geometricMean: geometricMean };
CHECK_EXPR(ObjectLiteral, expected_type) {
CHECK_VAR(geometricMean, expected_type);
}
}
}
CHECK_TYPES_END
}
} // namespace
TEST(ResetTypingInfo) {
const char test_function[] =
"function GeometricMean(stdlib, foreign, buffer) {\n"
" \"use asm\";\n"
"\n"
" var exp = stdlib.Math.exp;\n"
" var log = stdlib.Math.log;\n"
" var values = new stdlib.Float64Array(buffer);\n"
"\n"
" function logSum(start, end) {\n"
" start = start|0;\n"
" end = end|0;\n"
"\n"
" var sum = 0.0, p = 0, q = 0;\n"
"\n"
" // asm.js forces byte addressing of the heap by requiring shifting "
"by 3\n"
" for (p = start << 3, q = end << 3; (p|0) < (q|0); p = (p + 8)|0) {\n"
" sum = sum + +log(values[p>>3]);\n"
" }\n"
"\n"
" return +sum;\n"
" }\n"
"\n"
" function geometricMean(start, end) {\n"
" start = start|0;\n"
" end = end|0;\n"
"\n"
" return +exp(+logSum(start, end) / +((end - start)|0));\n"
" }\n"
"\n"
" return { geometricMean: geometricMean };\n"
"}\n";
v8::V8::Initialize();
HandleAndZoneScope handles;
i::Isolate* isolate = CcTest::i_isolate();
i::Factory* factory = isolate->factory();
i::Handle<i::String> source_code =
factory->NewStringFromUtf8(i::CStrVector(test_function))
.ToHandleChecked();
i::Handle<i::Script> script = factory->NewScript(source_code);
i::ParseInfo info(handles.main_zone(), script);
i::Parser parser(&info);
parser.set_allow_harmony_arrow_functions(true);
parser.set_allow_harmony_sloppy(true);
info.set_global();
info.set_lazy(false);
info.set_allow_lazy_parsing(false);
info.set_toplevel(true);
CHECK(i::Compiler::ParseAndAnalyze(&info));
FunctionLiteral* root =
info.scope()->declarations()->at(0)->AsFunctionDeclaration()->fun();
// Core of the test.
ZoneVector<ExpressionTypeEntry> types(handles.main_zone());
ExpressionTypeCollector(isolate, handles.main_zone(), root, &types).Run();
CheckAllSame(types, Bounds::Unbounded());
TypeSetter(isolate, handles.main_zone(), root).Run();
ExpressionTypeCollector(isolate, handles.main_zone(), root, &types).Run();
CheckAllSame(types, INT32_TYPE);
TypingReseter(isolate, handles.main_zone(), root).Run();
ExpressionTypeCollector(isolate, handles.main_zone(), root, &types).Run();
CheckAllSame(types, Bounds::Unbounded());
}
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