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168 lines
4.7 KiB
168 lines
4.7 KiB
# @webassemblyjs/ast
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> AST utils for webassemblyjs
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## Installation
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```sh
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yarn add @webassemblyjs/ast
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```
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## Usage
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### Traverse
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```js
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import { traverse } from "@webassemblyjs/ast";
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traverse(ast, {
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Module(path) {
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console.log(path.node);
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}
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});
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```
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### Instruction signatures
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```js
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import { signatures } from "@webassemblyjs/ast";
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console.log(signatures);
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```
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### Path methods
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- `findParent: NodeLocator`
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- `replaceWith: Node => void`
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- `remove: () => void`
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- `insertBefore: Node => void`
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- `insertAfter: Node => void`
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- `stop: () => void`
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### AST utils
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- function `module(id, fields, metadata)`
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- function `moduleMetadata(sections, functionNames, localNames)`
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- function `moduleNameMetadata(value)`
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- function `functionNameMetadata(value, index)`
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- function `localNameMetadata(value, localIndex, functionIndex)`
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- function `binaryModule(id, blob)`
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- function `quoteModule(id, string)`
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- function `sectionMetadata(section, startOffset, size, vectorOfSize)`
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- function `loopInstruction(label, resulttype, instr)`
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- function `instruction(id, args, namedArgs)`
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- function `objectInstruction(id, object, args, namedArgs)`
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- function `ifInstruction(testLabel, test, result, consequent, alternate)`
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- function `stringLiteral(value)`
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- function `numberLiteralFromRaw(value, raw)`
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- function `longNumberLiteral(value, raw)`
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- function `floatLiteral(value, nan, inf, raw)`
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- function `elem(table, offset, funcs)`
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- function `indexInFuncSection(index)`
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- function `valtypeLiteral(name)`
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- function `typeInstruction(id, functype)`
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- function `start(index)`
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- function `globalType(valtype, mutability)`
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- function `leadingComment(value)`
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- function `blockComment(value)`
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- function `data(memoryIndex, offset, init)`
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- function `global(globalType, init, name)`
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- function `table(elementType, limits, name, elements)`
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- function `memory(limits, id)`
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- function `funcImportDescr(id, signature)`
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- function `moduleImport(module, name, descr)`
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- function `moduleExportDescr(exportType, id)`
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- function `moduleExport(name, descr)`
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- function `limit(min, max)`
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- function `signature(params, results)`
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- function `program(body)`
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- function `identifier(value, raw)`
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- function `blockInstruction(label, instr, result)`
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- function `callInstruction(index, instrArgs)`
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- function `callIndirectInstruction(signature, intrs)`
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- function `byteArray(values)`
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- function `func(name, signature, body, isExternal, metadata)`
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- Constant`isModule`
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- Constant`isModuleMetadata`
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- Constant`isModuleNameMetadata`
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- Constant`isFunctionNameMetadata`
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- Constant`isLocalNameMetadata`
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- Constant`isBinaryModule`
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- Constant`isQuoteModule`
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- Constant`isSectionMetadata`
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- Constant`isLoopInstruction`
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- Constant`isInstruction`
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- Constant`isObjectInstruction`
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- Constant`isIfInstruction`
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- Constant`isStringLiteral`
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- Constant`isNumberLiteral`
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- Constant`isLongNumberLiteral`
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- Constant`isFloatLiteral`
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- Constant`isElem`
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- Constant`isIndexInFuncSection`
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- Constant`isValtypeLiteral`
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- Constant`isTypeInstruction`
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- Constant`isStart`
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- Constant`isGlobalType`
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- Constant`isLeadingComment`
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- Constant`isBlockComment`
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- Constant`isData`
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- Constant`isGlobal`
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- Constant`isTable`
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- Constant`isMemory`
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- Constant`isFuncImportDescr`
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- Constant`isModuleImport`
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- Constant`isModuleExportDescr`
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- Constant`isModuleExport`
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- Constant`isLimit`
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- Constant`isSignature`
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- Constant`isProgram`
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- Constant`isIdentifier`
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- Constant`isBlockInstruction`
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- Constant`isCallInstruction`
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- Constant`isCallIndirectInstruction`
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- Constant`isByteArray`
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- Constant`isFunc`
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- Constant`assertModule`
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- Constant`assertModuleMetadata`
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- Constant`assertModuleNameMetadata`
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- Constant`assertFunctionNameMetadata`
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- Constant`assertLocalNameMetadata`
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- Constant`assertBinaryModule`
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- Constant`assertQuoteModule`
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- Constant`assertSectionMetadata`
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- Constant`assertLoopInstruction`
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- Constant`assertInstruction`
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- Constant`assertObjectInstruction`
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- Constant`assertIfInstruction`
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- Constant`assertStringLiteral`
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- Constant`assertNumberLiteral`
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- Constant`assertLongNumberLiteral`
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- Constant`assertFloatLiteral`
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- Constant`assertElem`
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- Constant`assertIndexInFuncSection`
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- Constant`assertValtypeLiteral`
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- Constant`assertTypeInstruction`
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- Constant`assertStart`
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- Constant`assertGlobalType`
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- Constant`assertLeadingComment`
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- Constant`assertBlockComment`
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- Constant`assertData`
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- Constant`assertGlobal`
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- Constant`assertTable`
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- Constant`assertMemory`
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- Constant`assertFuncImportDescr`
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- Constant`assertModuleImport`
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- Constant`assertModuleExportDescr`
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- Constant`assertModuleExport`
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- Constant`assertLimit`
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- Constant`assertSignature`
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- Constant`assertProgram`
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- Constant`assertIdentifier`
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- Constant`assertBlockInstruction`
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- Constant`assertCallInstruction`
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- Constant`assertCallIndirectInstruction`
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- Constant`assertByteArray`
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- Constant`assertFunc`
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