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| -rw-r--r-- | src/bytecodeparser.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/bytecodeparser.js b/src/bytecodeparser.js new file mode 100644 index 0000000..595158e --- /dev/null +++ b/src/bytecodeparser.js @@ -0,0 +1,28 @@ +"use strict"; + +const DataView = require('buffer-dataview'); + +/** + * Parse Lua 5.3 bytecode + */ +class BytecodeParser { + + constructor(dataView) { + this.dataView = dataView; + this.offset = 0; + } + + _read(offset, nbytes) { + let bytes = new Uint8Array(nbytes); + + for (let i = 0; i < nbytes; i++) + bytes[i] = this.dataView.getUint8(offset, true); + + return bytes.length === 1 ? bytes[0] : bytes; + } + + readByte() { + return read(this.offset++, 1); + } + +}
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