示例#1
0
void WASMModuleParser::parseModule()
{
    uint32_t magicNumber;
    READ_UINT32_OR_FAIL(magicNumber, "Cannot read the magic number.");
    FAIL_IF_FALSE(magicNumber == wasmMagicNumber, "The magic number is incorrect.");

    uint32_t outputSizeInASMJS;
    READ_UINT32_OR_FAIL(outputSizeInASMJS, "Cannot read the output size in asm.js format.");

    parseConstantPoolSection();
    PROPAGATE_ERROR();
    parseSignatureSection();
    PROPAGATE_ERROR();
    parseFunctionImportSection();
    PROPAGATE_ERROR();
    parseGlobalSection();
    PROPAGATE_ERROR();
    parseFunctionDeclarationSection();
    PROPAGATE_ERROR();
    parseFunctionPointerTableSection();
    PROPAGATE_ERROR();
    parseFunctionDefinitionSection();
    PROPAGATE_ERROR();
    parseExportSection();
}
示例#2
0
void WASMModuleParser::parseModule(ExecState* exec)
{
    uint32_t magicNumber;
    READ_UINT32_OR_FAIL(magicNumber, "Cannot read the magic number.");
    FAIL_IF_FALSE(magicNumber == wasmMagicNumber, "The magic number is incorrect.");

    uint32_t outputSizeInASMJS;
    READ_UINT32_OR_FAIL(outputSizeInASMJS, "Cannot read the output size in asm.js format.");

    parseConstantPoolSection();
    PROPAGATE_ERROR();
    parseSignatureSection();
    PROPAGATE_ERROR();
    parseFunctionImportSection(exec);
    PROPAGATE_ERROR();
    parseGlobalSection(exec);
    PROPAGATE_ERROR();
    parseFunctionDeclarationSection();
    PROPAGATE_ERROR();
    parseFunctionPointerTableSection();
    PROPAGATE_ERROR();
    parseFunctionDefinitionSection();
    PROPAGATE_ERROR();
    parseExportSection();
    PROPAGATE_ERROR();

    FAIL_IF_FALSE(!m_module->arrayBuffer() || m_module->arrayBuffer()->impl()->byteLength() < (1u << 31), "The ArrayBuffer's length must be less than 2^31.");
}