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Unified Diff: test/cctest/test-ast-expression-visitor.cc

Issue 1288773007: Adding visitors to regurgitate expression types or reset them. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 4 months ago
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Index: test/cctest/test-ast-expression-visitor.cc
diff --git a/test/cctest/test-ast-expression-visitor.cc b/test/cctest/test-ast-expression-visitor.cc
new file mode 100644
index 0000000000000000000000000000000000000000..62cb3ac3a6611d95dca8618bf146ee96d0dfc097
--- /dev/null
+++ b/test/cctest/test-ast-expression-visitor.cc
@@ -0,0 +1,196 @@
+// 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.
+
+#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 "test/cctest/cctest.h"
+#include "test/cctest/expression-type-collector.h"
+
+using namespace v8::internal;
+
+namespace {
+
+static std::string CollectTypes(const char* source) {
+ 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(source)).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);
+
+ i::CompilationInfo compilation_info(&info);
+ CHECK(i::Compiler::ParseAndAnalyze(&info));
+ info.set_literal(
+ info.scope()->declarations()->at(0)->AsFunctionDeclaration()->fun());
+
+ return ExpressionTypeCollector::Run(&compilation_info);
+}
+}
+
+
+TEST(VisitExpressions) {
+ 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";
+ const char test_expected[] =
+ "FunctionLiteral: Other\n"
+ " FunctionLiteral: Other\n"
+ " Assignment: Other\n"
+ " start: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " start: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " end: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " end: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " sum: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " p: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " q: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " BinaryOperation: Other\n"
+ " Assignment: Other\n"
+ " p: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " start: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " q: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " end: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " CompareOperation: Other\n"
+ " BinaryOperation: Other\n"
+ " p: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " BinaryOperation: Other\n"
+ " q: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " p: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " BinaryOperation: Other\n"
+ " p: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " sum: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " sum: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " Call: Other\n"
+ " log: VariableProxy: Other\n"
+ " values: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " p: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Literal: Other\n"
+ " BinaryOperation: Other\n"
+ " sum: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " FunctionLiteral: Other\n"
+ " Assignment: Other\n"
+ " start: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " start: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " end: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " end: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " BinaryOperation: Other\n"
+ " Call: Other\n"
+ " exp: VariableProxy: Other\n"
+ " BinaryOperation: Other\n"
+ " BinaryOperation: Other\n"
+ " Call: Other\n"
+ " logSum: VariableProxy: Other\n"
+ " start: VariableProxy: Other\n"
+ " end: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " BinaryOperation: Other\n"
+ " BinaryOperation: Other\n"
+ " BinaryOperation: Other\n"
+ " end: VariableProxy: Other\n"
+ " start: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Literal: Other\n"
+ " Literal: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " exp: VariableProxy: Other\n"
+ " stdlib: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " log: VariableProxy: Other\n"
+ " stdlib: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " Literal: Other\n"
+ " Assignment: Other\n"
+ " values: VariableProxy: Other\n"
+ " CallNew: Other\n"
+ " stdlib: VariableProxy: Other\n"
+ " Literal: Other\n"
+ " buffer: VariableProxy: Other\n"
+ " ObjectLiteral: Other\n"
+ " geometricMean: VariableProxy: Other\n";
+ CHECK_EQ(test_expected, CollectTypes(test_function));
+}

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