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Diffstat (limited to 'Source/JavaScriptCore/wasm/WASMFunctionSyntaxChecker.h')
-rw-r--r--Source/JavaScriptCore/wasm/WASMFunctionSyntaxChecker.h287
1 files changed, 0 insertions, 287 deletions
diff --git a/Source/JavaScriptCore/wasm/WASMFunctionSyntaxChecker.h b/Source/JavaScriptCore/wasm/WASMFunctionSyntaxChecker.h
deleted file mode 100644
index edfe42808..000000000
--- a/Source/JavaScriptCore/wasm/WASMFunctionSyntaxChecker.h
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * Copyright (C) 2015 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef WASMFunctionSyntaxChecker_h
-#define WASMFunctionSyntaxChecker_h
-
-#if ENABLE(WEBASSEMBLY)
-
-#define UNUSED 0
-
-namespace JSC {
-
-class WASMFunctionSyntaxChecker {
-public:
- typedef int Expression;
- typedef int Statement;
- typedef int ExpressionList;
- struct MemoryAddress {
- MemoryAddress(void*) { }
- MemoryAddress(int, uint32_t) { }
- };
- typedef int JumpTarget;
- enum class JumpCondition { Zero, NonZero };
-
- void startFunction(const Vector<WASMType>& arguments, uint32_t numberOfI32LocalVariables, uint32_t numberOfF32LocalVariables, uint32_t numberOfF64LocalVariables)
- {
- m_numberOfLocals = arguments.size() + numberOfI32LocalVariables + numberOfF32LocalVariables + numberOfF64LocalVariables;
- }
-
- void endFunction()
- {
- ASSERT(!m_tempStackTop);
- }
-
- int buildSetLocal(WASMOpKind opKind, uint32_t, int, WASMType)
- {
- if (opKind == WASMOpKind::Statement)
- m_tempStackTop--;
- return UNUSED;
- }
-
- int buildSetGlobal(WASMOpKind opKind, uint32_t, int, WASMType)
- {
- if (opKind == WASMOpKind::Statement)
- m_tempStackTop--;
- return UNUSED;
- }
-
- void buildReturn(int, WASMExpressionType returnType)
- {
- if (returnType != WASMExpressionType::Void)
- m_tempStackTop--;
- }
-
- int buildImmediateI32(uint32_t)
- {
- m_tempStackTop++;
- updateTempStackHeight();
- return UNUSED;
- }
-
- int buildImmediateF32(float)
- {
- m_tempStackTop++;
- updateTempStackHeight();
- return UNUSED;
- }
-
- int buildImmediateF64(double)
- {
- m_tempStackTop++;
- updateTempStackHeight();
- return UNUSED;
- }
-
- int buildGetLocal(uint32_t, WASMType)
- {
- m_tempStackTop++;
- updateTempStackHeight();
- return UNUSED;
- }
-
- int buildGetGlobal(uint32_t, WASMType)
- {
- m_tempStackTop++;
- updateTempStackHeight();
- return UNUSED;
- }
-
- int buildConvertType(int, WASMExpressionType, WASMExpressionType, WASMTypeConversion)
- {
- return UNUSED;
- }
-
- int buildLoad(const MemoryAddress&, WASMExpressionType, WASMMemoryType, MemoryAccessConversion)
- {
- return UNUSED;
- }
-
- int buildStore(WASMOpKind opKind, const MemoryAddress&, WASMExpressionType, WASMMemoryType, int)
- {
- m_tempStackTop -= 2;
- if (opKind == WASMOpKind::Expression)
- m_tempStackTop++;
- return UNUSED;
- }
-
- int buildUnaryI32(int, WASMOpExpressionI32)
- {
- return UNUSED;
- }
-
- int buildUnaryF32(int, WASMOpExpressionF32)
- {
- return UNUSED;
- }
-
- int buildUnaryF64(int, WASMOpExpressionF64)
- {
- return UNUSED;
- }
-
- int buildBinaryI32(int, int, WASMOpExpressionI32)
- {
- m_tempStackTop--;
- return UNUSED;
- }
-
- int buildBinaryF32(int, int, WASMOpExpressionF32)
- {
- m_tempStackTop--;
- return UNUSED;
- }
-
- int buildBinaryF64(int, int, WASMOpExpressionF64)
- {
- m_tempStackTop--;
- return UNUSED;
- }
-
- int buildRelationalI32(int, int, WASMOpExpressionI32)
- {
- m_tempStackTop--;
- return UNUSED;
- }
-
- int buildRelationalF32(int, int, WASMOpExpressionI32)
- {
- m_tempStackTop--;
- return UNUSED;
- }
-
- int buildRelationalF64(int, int, WASMOpExpressionI32)
- {
- m_tempStackTop--;
- return UNUSED;
- }
-
- int buildMinOrMaxI32(int, int, WASMOpExpressionI32)
- {
- m_tempStackTop--;
- return UNUSED;
- }
-
- int buildMinOrMaxF64(int, int, WASMOpExpressionF64)
- {
- m_tempStackTop--;
- return UNUSED;
- }
-
- int buildCallInternal(uint32_t, int, const WASMSignature& signature, WASMExpressionType returnType)
- {
- size_t argumentCount = signature.arguments.size();
- updateTempStackHeightForCall(argumentCount);
- m_tempStackTop -= argumentCount;
- if (returnType != WASMExpressionType::Void) {
- m_tempStackTop++;
- updateTempStackHeight();
- }
- return UNUSED;
- }
-
- int buildCallImport(uint32_t, int, const WASMSignature& signature, WASMExpressionType returnType)
- {
- size_t argumentCount = signature.arguments.size();
- updateTempStackHeightForCall(argumentCount);
- m_tempStackTop -= argumentCount;
- if (returnType != WASMExpressionType::Void) {
- m_tempStackTop++;
- updateTempStackHeight();
- }
- return UNUSED;
- }
-
- int buildCallIndirect(uint32_t, int, int, const WASMSignature& signature, WASMExpressionType returnType)
- {
- size_t argumentCount = signature.arguments.size();
- updateTempStackHeightForCall(argumentCount);
- m_tempStackTop -= argumentCount + 1;
- if (returnType != WASMExpressionType::Void)
- m_tempStackTop++;
- return UNUSED;
- }
-
- void appendExpressionList(int&, int) { }
-
- void discard(int)
- {
- m_tempStackTop--;
- }
-
- void linkTarget(const int&) { }
- void jumpToTarget(const int&) { }
- void jumpToTargetIf(JumpCondition, int, const int&)
- {
- m_tempStackTop--;
- }
-
- void startLoop() { }
- void endLoop() { }
- void startSwitch() { }
- void endSwitch() { }
- void startLabel() { }
- void endLabel() { }
-
- int breakTarget() { return UNUSED; }
- int continueTarget() { return UNUSED; }
- int breakLabelTarget(uint32_t) { return UNUSED; }
- int continueLabelTarget(uint32_t) { return UNUSED; }
-
- void buildSwitch(int, const Vector<int64_t>&, const Vector<int>&, const int&)
- {
- m_tempStackTop--;
- }
-
- unsigned stackHeight()
- {
- return m_numberOfLocals + m_tempStackHeight;
- }
-
-private:
- void updateTempStackHeight()
- {
- if (m_tempStackTop > m_tempStackHeight)
- m_tempStackHeight = m_tempStackTop;
- }
-
- void updateTempStackHeightForCall(size_t argumentCount)
- {
- // Boxed arguments + this argument + call frame header + maximum padding.
- m_tempStackTop += argumentCount + 1 + JSStack::CallFrameHeaderSize + 1;
- updateTempStackHeight();
- m_tempStackTop -= argumentCount + 1 + JSStack::CallFrameHeaderSize + 1;
- }
-
- unsigned m_numberOfLocals;
- unsigned m_tempStackTop { 0 };
- unsigned m_tempStackHeight { 0 };
-};
-
-} // namespace JSC
-
-#endif // ENABLE(WEBASSEMBLY)
-
-#endif // WASMFunctionSyntaxChecker_h
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