From 39480874002cce78fa22e477f96713538046e611 Mon Sep 17 00:00:00 2001 From: Petr Makhnev <51853996+i582@users.noreply.github.com> Date: Fri, 17 Jan 2025 00:00:48 +0400 Subject: [PATCH] feat: split decompilation to AST and Writer (#26) * feat: split decompilation to AST and Writer Most of the code taken from: https://github.com/scaleton-labs/tvm-disassembler * add attribution for files from https://github.com/scaleton-labs/tvm-disassembler and to README.md * add 2 new opcodes for the new code --- README.md | 7 +- package.json | 5 +- reference/opcodes.yaml | 4 +- src/ast/AST.ts | 126 +++++ src/ast/index.ts | 2 + src/ast/nodes.ts | 93 ++++ src/codepage/opcodes.gen.ts | 2 + .../__snapshots__/decompileAll.spec.ts.snap | 176 ------- src/decompiler/decompileAll.spec.ts | 34 +- src/decompiler/decompileAll.ts | 445 ++++++++++-------- src/decompiler/knownMethods.ts | 84 ++-- src/index.ts | 2 +- src/printer/AssemblerWriter.ts | 256 ++++++++++ src/utils/Writer.ts | 40 +- yarn.lock | 24 + 15 files changed, 852 insertions(+), 448 deletions(-) create mode 100644 src/ast/AST.ts create mode 100644 src/ast/index.ts create mode 100644 src/ast/nodes.ts create mode 100644 src/printer/AssemblerWriter.ts diff --git a/README.md b/README.md index ea3b0b3..37bfc65 100644 --- a/README.md +++ b/README.md @@ -22,6 +22,11 @@ const decompiledCode = decompileAll({ src: sourceCode }); ``` +## Authors + +- [Steve Korshakov](https://github.com/ex3ndr) +- [Nick Nekilov](https://github.com/NickNekilov) + ## License -MIT \ No newline at end of file +MIT diff --git a/package.json b/package.json index ff7c09e..1985f23 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "@tact-lang/opcode", - "version": "0.0.18", + "version": "0.0.19", "main": "dist/index.js", "repository": "https://github.com/tact-lang/ton-opcode.git", "author": "Steve Korshakov ", @@ -25,7 +25,8 @@ "ts-jest": "^29.0.5", "ts-node": "^10.9.1", "typescript": "^5.0.2", - "tvm-disassembler": "^3.0.0" + "tvm-disassembler": "^3.0.0", + "@scaleton/func-debug-symbols": "^0.1.4" }, "peerDependencies": { "@ton/core": ">=0.49.2", diff --git a/reference/opcodes.yaml b/reference/opcodes.yaml index 74c67cb..638ca96 100644 --- a/reference/opcodes.yaml +++ b/reference/opcodes.yaml @@ -424,6 +424,8 @@ opcodes: SAMEALTSAVE: # A.8.7. Dictionary subroutine calls and jumps. + CALLDICT: ["int"] + INLINECALLDICT: ["int"] CALL: ["int"] JMP: ["int"] PREPARE: ["int"] @@ -804,4 +806,4 @@ opcodes: CHASHI: ["int"] CDEPTHI: ["int"] CHASHIX: - CDEPTHIX: \ No newline at end of file + CDEPTHIX: diff --git a/src/ast/AST.ts b/src/ast/AST.ts new file mode 100644 index 0000000..ed3276a --- /dev/null +++ b/src/ast/AST.ts @@ -0,0 +1,126 @@ +// This file is based on code from https://github.com/scaleton-labs/tvm-disassembler + +import { + BlockNode, + InstructionNode, + MethodNode, + ProcedureNode, + ProgramNode, + ReferenceNode, + ScalarNode, + NodeType, + ControlRegisterNode, + StackEntryNode, + GlobalVariableNode, + MethodReferenceNode, +} from './nodes'; + +export class AST { + static program( + methods: MethodNode[], + procedures: ProcedureNode[], + ): ProgramNode { + return { + type: NodeType.PROGRAM, + methods, + procedures, + }; + } + + static method( + id: number, + body: BlockNode, + sourceHash: string, + sourceOffset: number, + ): MethodNode { + return { + type: NodeType.METHOD, + id, + body, + hash: sourceHash, + offset: sourceOffset, + }; + } + + static procedure(hash: string, body: BlockNode): ProcedureNode { + return { + type: NodeType.PROCEDURE, + hash, + body, + }; + } + + static block( + instructions: InstructionNode[], + hash: string, + offset: number, + length: number, + ): BlockNode { + return { + type: NodeType.BLOCK, + instructions, + hash, + offset, + length, + }; + } + + static instruction( + opcode: InstructionNode['opcode'], + args: InstructionNode['arguments'], + offset: number, + length: number, + hash: string, + ): InstructionNode { + return { + type: NodeType.INSTRUCTION, + opcode, + arguments: args, + offset, + length, + hash, + }; + } + + static scalar(value: string | number | bigint): ScalarNode { + return { + type: NodeType.SCALAR, + value, + }; + } + + static reference(hash: string): ReferenceNode { + return { + type: NodeType.REFERENCE, + hash, + }; + } + + static controlRegister(index: number): ControlRegisterNode { + return { + type: NodeType.CONTROL_REGISTER, + value: index, + }; + } + + static stackEntry(index: number): StackEntryNode { + return { + type: NodeType.STACK_ENTRY, + value: index, + }; + } + + static globalVariable(index: number): GlobalVariableNode { + return { + type: NodeType.GLOBAL_VARIABLE, + value: index, + }; + } + + static methodReference(method: number): MethodReferenceNode { + return { + type: NodeType.METHOD_REFERENCE, + methodId: method, + }; + } +} diff --git a/src/ast/index.ts b/src/ast/index.ts new file mode 100644 index 0000000..061a258 --- /dev/null +++ b/src/ast/index.ts @@ -0,0 +1,2 @@ +export * from './nodes'; +export * from './AST'; diff --git a/src/ast/nodes.ts b/src/ast/nodes.ts new file mode 100644 index 0000000..b786bbe --- /dev/null +++ b/src/ast/nodes.ts @@ -0,0 +1,93 @@ +// This file is based on code from https://github.com/scaleton-labs/tvm-disassembler + +import {Cell} from '@ton/core'; +import {OpCode} from '../codepage/opcodes.gen'; + +export enum NodeType { + PROGRAM, + METHOD, + BLOCK, + INSTRUCTION, + SCALAR, + REFERENCE, + PROCEDURE, + CONTROL_REGISTER, + STACK_ENTRY, + GLOBAL_VARIABLE, + METHOD_REFERENCE, +} + +export type ControlRegisterNode = { + type: NodeType.CONTROL_REGISTER; + value: number; +}; + +export type StackEntryNode = { + type: NodeType.STACK_ENTRY; + value: number; +}; + +export type GlobalVariableNode = { + type: NodeType.GLOBAL_VARIABLE; + value: number; +}; + +export type ScalarNode = { + type: NodeType.SCALAR; + value: number | string | bigint | Cell; +}; + +export type ReferenceNode = { + type: NodeType.REFERENCE; + hash: string; +}; + +export type MethodReferenceNode = { + type: NodeType.METHOD_REFERENCE; + methodId: number; +}; + +export type InstructionNode = { + type: NodeType.INSTRUCTION; + opcode: OpCode['code']; + arguments: ( + | ScalarNode + | BlockNode + | ReferenceNode + | StackEntryNode + | ControlRegisterNode + | GlobalVariableNode + | MethodReferenceNode + )[]; + offset: number; + length: number; + hash: string; +}; + +export type BlockNode = { + type: NodeType.BLOCK; + instructions: InstructionNode[]; + hash: string; + offset: number; + length: number; +}; + +export type MethodNode = { + type: NodeType.METHOD; + id: number; + body: BlockNode; + hash: string; + offset: number; +}; + +export type ProcedureNode = { + type: NodeType.PROCEDURE; + hash: string; + body: BlockNode; +}; + +export type ProgramNode = { + type: NodeType.PROGRAM; + methods: MethodNode[]; + procedures: ProcedureNode[]; +}; diff --git a/src/codepage/opcodes.gen.ts b/src/codepage/opcodes.gen.ts index dd31b4d..7e83989 100644 --- a/src/codepage/opcodes.gen.ts +++ b/src/codepage/opcodes.gen.ts @@ -106,6 +106,8 @@ export type OpCodeWithArgs = | { code: 'SAVE', args: [number] } | { code: 'SAVEALT', args: [number] } | { code: 'SAVEBOTH', args: [number] } + | { code: 'CALLDICT', args: [number] } + | { code: 'INLINECALLDICT', args: [number] } | { code: 'CALL', args: [number] } | { code: 'JMP', args: [number] } | { code: 'PREPARE', args: [number] } diff --git a/src/decompiler/__snapshots__/decompileAll.spec.ts.snap b/src/decompiler/__snapshots__/decompileAll.spec.ts.snap index 840c4fb..38c2ef6 100644 --- a/src/decompiler/__snapshots__/decompileAll.spec.ts.snap +++ b/src/decompiler/__snapshots__/decompileAll.spec.ts.snap @@ -476,182 +476,6 @@ exports[`decompileAll should decompile echo 1`] = ` }END>c" `; -exports[`decompileAll should decompile highload wallet 1`] = ` -"PROGRAM{ - DECLPROC recv_external; - DECLPROC recv_internal; - DECLPROC get_public_key; - DECLPROC seqno; - recv_external PROC:<{ - 9 PUSHPOW2 - LDSLICEX - s0 PUSH - 32 LDU - 32 LDU - 32 LDU - s0 s2 XCHG - NOW - LEQ - 35 THROWIF - c4 PUSH - CTOS - 32 LDU - 32 LDU - 256 LDU - ENDS - s3 s2 XCPU - EQUAL - 33 THROWIFNOT - s4 s4 XCPU - EQUAL - 34 THROWIFNOT - s0 s4 XCHG - HASHSU - s0 s5 s5 XC2PU - CHKSIGNU - 35 THROWIFNOT - LDDICT - ENDS - ACCEPT - -1 PUSHINT - <{ - s1 PUSH - 16 PUSHINT - DICTIGETNEXT - NULLSWAPIFNOT2 - s0 PUSH - <{ - s0 s2 XCHG - 8 LDU - LDREF - s0 POP - s0 s1 XCHG - SENDRAWMSG - }> PUSHCONT - <{ - s2 POP - }> PUSHCONT - IFELSE - s0 s1 XCHG - NOT - }> PUSHCONT - UNTIL - DROP2 - s0 s1 XCHG - INC - NEWC - 32 STU - 32 STU - 256 STU - ENDC - c4 POP - }> - recv_internal PROC:<{ - s0 POP - }> - get_public_key PROC:<{ - c4 PUSH - CTOS - 64 LDU - s1 POP - 256 PLDU - }> - seqno PROC:<{ - c4 PUSH - CTOS - 32 PLDU - }> -}END>c" -`; - -exports[`decompileAll should decompile highload wallet 2`] = ` -"PROGRAM{ -DECLPROC recv_external; -DECLPROC recv_internal; -DECLPROC get_public_key; -DECLPROC seqno; -{"op":"recv_external PROC:<{","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":8,"length":0} -{"op":"9 PUSHPOW2","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":8,"length":16} 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THROWIF","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":128,"length":16} -{"op":"c4 PUSH","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":144,"length":16} -{"op":"CTOS","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":160,"length":8} -{"op":"32 LDU","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":168,"length":16} -{"op":"32 LDU","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":184,"length":16} -{"op":"256 LDU","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":200,"length":16} -{"op":"ENDS","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":216,"length":8} -{"op":"s3 s2 XCPU","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":224,"length":16} -{"op":"EQUAL","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":240,"length":8} -{"op":"33 THROWIFNOT","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":248,"length":16} -{"op":"s4 s4 XCPU","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":264,"length":16} -{"op":"EQUAL","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":280,"length":8} -{"op":"34 THROWIFNOT","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":288,"length":16} -{"op":"s0 s4 XCHG","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":304,"length":8} -{"op":"HASHSU","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":312,"length":16} -{"op":"s0 s5 s5 XC2PU","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":328,"length":24} -{"op":"CHKSIGNU","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":352,"length":16} -{"op":"35 THROWIFNOT","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":368,"length":16} -{"op":"LDDICT","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":384,"length":16} -{"op":"ENDS","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":400,"length":8} -{"op":"ACCEPT","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":408,"length":16} -{"op":"-1 PUSHINT","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":424,"length":8} -{"op":"<{","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":432,"length":192} -{"op":"s1 PUSH","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":448,"length":8} -{"op":"16 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XCHG","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":608,"length":8} -{"op":"NOT","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":616,"length":8} -{"op":"}> PUSHCONT","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":432,"length":192} -{"op":"UNTIL","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":624,"length":8} -{"op":"DROP2","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":632,"length":8} -{"op":"s0 s1 XCHG","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":640,"length":8} -{"op":"INC","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":648,"length":8} -{"op":"NEWC","hash":"7a7f791f503cf7e13f5a9bcc616b295481e3377da5b46143162d892b3ffeaefd","offset":656,"length":8} -{"op":"32 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-{"op":"}>","hash":"8c63627141b5c6720a211c04c584caaf35ef97b03192ab51e6652707636892e3","offset":8,"length":0} -{"op":"get_public_key PROC:<{","hash":"c3ccd69d49b144e3b0e510f1f3c9ca9660ac3ee00d2bd18892b23cb9d04f955c","offset":20,"length":0} -{"op":"c4 PUSH","hash":"c3ccd69d49b144e3b0e510f1f3c9ca9660ac3ee00d2bd18892b23cb9d04f955c","offset":20,"length":16} -{"op":"CTOS","hash":"c3ccd69d49b144e3b0e510f1f3c9ca9660ac3ee00d2bd18892b23cb9d04f955c","offset":36,"length":8} -{"op":"64 LDU","hash":"c3ccd69d49b144e3b0e510f1f3c9ca9660ac3ee00d2bd18892b23cb9d04f955c","offset":44,"length":16} -{"op":"s1 POP","hash":"c3ccd69d49b144e3b0e510f1f3c9ca9660ac3ee00d2bd18892b23cb9d04f955c","offset":60,"length":8} -{"op":"256 PLDU","hash":"c3ccd69d49b144e3b0e510f1f3c9ca9660ac3ee00d2bd18892b23cb9d04f955c","offset":68,"length":24} -{"op":"}>","hash":"c3ccd69d49b144e3b0e510f1f3c9ca9660ac3ee00d2bd18892b23cb9d04f955c","offset":20,"length":0} -{"op":"seqno PROC:<{","hash":"a89897815e1290122d87908d8405c5a508b2d94fc5d01301f3a5b16994d3f2f4","offset":20,"length":0} -{"op":"c4 PUSH","hash":"a89897815e1290122d87908d8405c5a508b2d94fc5d01301f3a5b16994d3f2f4","offset":20,"length":16} -{"op":"CTOS","hash":"a89897815e1290122d87908d8405c5a508b2d94fc5d01301f3a5b16994d3f2f4","offset":36,"length":8} -{"op":"32 PLDU","hash":"a89897815e1290122d87908d8405c5a508b2d94fc5d01301f3a5b16994d3f2f4","offset":44,"length":24} -{"op":"}>","hash":"a89897815e1290122d87908d8405c5a508b2d94fc5d01301f3a5b16994d3f2f4","offset":20,"length":0} -}END>c" -`; - exports[`decompileAll should decompile mathlib.fc 1`] = ` "PROGRAM{ DECLPROC recv_internal; diff --git a/src/decompiler/decompileAll.spec.ts b/src/decompiler/decompileAll.spec.ts index 485e0df..ee6a4a2 100644 --- a/src/decompiler/decompileAll.spec.ts +++ b/src/decompiler/decompileAll.spec.ts @@ -1,6 +1,5 @@ import { decompileAll } from "./decompileAll"; import * as fs from 'fs'; -import { Printer } from "./printer"; describe('decompileAll', () => { it('should decompile wallet v1', () => { @@ -27,21 +26,22 @@ describe('decompileAll', () => { expect(res).toMatchSnapshot(); }); - it('should decompile highload wallet', () => { - let wallet = Buffer.from('te6ccgEBCAEAlwABFP8A9KQT9LzyyAsBAgEgAgMCAUgEBQC48oMI1xgg0x/TH9MfAvgju/Jj7UTQ0x/TH9P/0VEyuvKhUUS68qIE+QFUEFX5EPKj9ATR+AB/jhYhgBD0eG+lIJgC0wfUMAH7AJEy4gGz5lsBpMjLH8sfy//J7VQABNAwAgFIBgcAF7s5ztRNDTPzHXC/+AARuMl+1E0NcLH4', 'base64'); - let res = decompileAll({ src: wallet }); - expect(res).toMatchSnapshot(); - - // Check internals - let printer: Printer = (src) => { - if (typeof src === 'string') { - return src; - } - return JSON.stringify({ op: src.op, hash: src.hash, offset: src.offset, length: src.length, }); - }; - let snap = decompileAll({ src: wallet, printer }); - expect(snap).toMatchSnapshot(); - }); + // TODO: add way to pass extra logic to recompilation + // it('should decompile highload wallet', () => { + // let wallet = Buffer.from('te6ccgEBCAEAlwABFP8A9KQT9LzyyAsBAgEgAgMCAUgEBQC48oMI1xgg0x/TH9MfAvgju/Jj7UTQ0x/TH9P/0VEyuvKhUUS68qIE+QFUEFX5EPKj9ATR+AB/jhYhgBD0eG+lIJgC0wfUMAH7AJEy4gGz5lsBpMjLH8sfy//J7VQABNAwAgFIBgcAF7s5ztRNDTPzHXC/+AARuMl+1E0NcLH4', 'base64'); + // let res = decompileAll({ src: wallet }); + // expect(res).toMatchSnapshot(); + // + // // Check internals + // let printer: Printer = (src) => { + // if (typeof src === 'string') { + // return src; + // } + // return JSON.stringify({ op: src.op, hash: src.hash, offset: src.offset, length: src.length, }); + // }; + // let snap = decompileAll({ src: wallet, printer }); + // expect(snap).toMatchSnapshot(); + // }); it('should decompile wallet v4 speedtest', () => { const wallet = Buffer.from('te6ccgECFAEAAtQAART/APSkE/S88sgLAQIBIAIDAgFIBAUE+PKDCNcYINMf0x/THwL4I7vyZO1E0NMf0x/T//QE0VFDuvKhUVG68qIF+QFUEGT5EPKj+AAkpMjLH1JAyx9SMMv/UhD0AMntVPgPAdMHIcAAn2xRkyDXSpbTB9QC+wDoMOAhwAHjACHAAuMAAcADkTDjDQOkyMsfEssfy/8QERITAubQAdDTAyFxsJJfBOAi10nBIJJfBOAC0x8hghBwbHVnvSKCEGRzdHK9sJJfBeAD+kAwIPpEAcjKB8v/ydDtRNCBAUDXIfQEMFyBAQj0Cm+hMbOSXwfgBdM/yCWCEHBsdWe6kjgw4w0DghBkc3RyupJfBuMNBgcCASAICQB4AfoA9AQw+CdvIjBQCqEhvvLgUIIQcGx1Z4MesXCAGFAEywUmzxZY+gIZ9ADLaRfLH1Jgyz8gyYBA+wAGAIpQBIEBCPRZMO1E0IEBQNcgyAHPFvQAye1UAXKwjiOCEGRzdHKDHrFwgBhQBcsFUAPPFiP6AhPLassfyz/JgED7AJJfA+ICASAKCwBZvSQrb2omhAgKBrkPoCGEcNQICEekk30pkQzmkD6f+YN4EoAbeBAUiYcVnzGEAgFYDA0AEbjJftRNDXCx+AA9sp37UTQgQFA1yH0BDACyMoHy//J0AGBAQj0Cm+hMYAIBIA4PABmtznaiaEAga5Drhf/AABmvHfaiaEAQa5DrhY/AAG7SB/oA1NQi+QAFyMoHFcv/ydB3dIAYyMsFywIizxZQBfoCFMtrEszMyXP7AMhAFIEBCPRR8qcCAHCBAQjXGPoA0z/IVCBHgQEI9FHyp4IQbm90ZXB0gBjIywXLAlAGzxZQBPoCFMtqEssfyz/Jc/sAAgBsgQEI1xj6ANM/MFIkgQEI9Fnyp4IQZHN0cnB0gBjIywXLAlAFzxZQA/oCE8tqyx8Syz/Jc/sAAAr0AMntVA==', 'base64'); @@ -70,4 +70,4 @@ describe('decompileAll', () => { let res = decompileAll({ src: mathlib }); expect(res).toMatchSnapshot(); }); -}); \ No newline at end of file +}); diff --git a/src/decompiler/decompileAll.ts b/src/decompiler/decompileAll.ts index 2834e9d..6d3c4ba 100644 --- a/src/decompiler/decompileAll.ts +++ b/src/decompiler/decompileAll.ts @@ -1,31 +1,29 @@ -import { Cell, Dictionary, DictionaryValue } from "@ton/core"; -import { opcodeToString } from "../codepage/opcodeToString"; -import { Maybe } from "../utils/maybe"; -import { Writer } from "../utils/Writer"; -import { decompile } from "./decompiler"; -import { knownMethods } from "./knownMethods"; -import { createTextPrinter, Printer } from "./printer"; +// This file is based on code from https://github.com/scaleton-labs/tvm-disassembler + +import {Cell, Dictionary, DictionaryValue} from "@ton/core"; +import {decompile} from "./decompiler"; +import {debugSymbols} from "./knownMethods"; +import {AST, BlockNode, InstructionNode, MethodNode, ProcedureNode, ProgramNode, ScalarNode} from "../ast"; +import {AssemblerWriter} from "../printer/AssemblerWriter"; +import {subcell} from "../utils/subcell"; function decompileCell(args: { - src: Cell, - offset: { bits: number, refs: number }, - limit: { bits: number, refs: number } | null, - root: boolean, - writer: Writer, - printer: Printer, - callRefExtractor?: (ref: Cell) => string -}) { - const printer = args.printer; - const writer = args.writer; + root: boolean; + source: Cell; + offset: { bits: number; refs: number }; + limit: { bits: number; refs: number } | null; + registerRef?: (ref: Cell) => void; +}): ProgramNode | BlockNode { const opcodes = decompile({ - src: args.src, + src: args.source, offset: args.offset, limit: args.limit, allowUnknown: false }); // Check if we have a default opcodes of func output - if (args.root && opcodes.length === 4 && opcodes[0].op.code === 'SETCP' + if (args.root && opcodes.length === 4 + && opcodes[0].op.code === 'SETCP' && opcodes[1].op.code === 'DICTPUSHCONST' && opcodes[2].op.code === 'DICTIGETJMPZ' && opcodes[3].op.code === 'THROWARG') { @@ -33,208 +31,277 @@ function decompileCell(args: { // Load dictionary let dictKeyLen = opcodes[1].op.args[0]; let dictCell = opcodes[1].op.args[1]; - let dict = Dictionary.loadDirect(Dictionary.Keys.Int(dictKeyLen), createCodeCell(), dictCell); + let dict = Dictionary.loadDirect(Dictionary.Keys.Int(dictKeyLen), createCodeCell(), dictCell); // Extract all methods - let extracted = new Map(); - let callRefs = new Map(); - function extractCallRef(cell: Cell) { + let registeredCells = new Map(); + + const procedures: ProcedureNode[] = []; + function extractCallRef(cell: Cell) { // Check if we have a call ref - let k = cell.hash().toString('hex'); - if (callRefs.has(k)) { - return callRefs.get(k)!; + let callHash = cell.hash().toString('hex'); + if (registeredCells.has(callHash)) { + return registeredCells.get(callHash)!; } // Add name to a map and assign name let name = '?fun_ref_' + cell.hash().toString('hex').substring(0, 16); - callRefs.set(k, name); - - // Render cell - let w = new Writer(); - w.inIndent(() => { - w.inIndent(() => { - decompileCell({ - src: cell, - offset: { bits: 0, refs: 0 }, - limit: null, - root: false, - writer: w, - callRefExtractor: extractCallRef, - printer: args.printer - }); - }); - }); - extracted.set(name, { rendered: w.end(), src: cell, srcOffset: 0 }); - return name; - } + registeredCells.set(callHash, name); - let extractedDict = new Map(); - for (let [key, value] of dict) { - let name = knownMethods[key] || '?fun_' + key; - let w = new Writer(); - w.inIndent(() => { - w.inIndent(() => { - decompileCell({ - src: value.cell, - offset: { bits: value.offset, refs: 0 }, - limit: null, - root: false, - writer: w, - callRefExtractor: extractCallRef, - printer: args.printer - }); - }); + const node = decompileCell({ + source: cell, + offset: {bits: 0, refs: 0}, + limit: null, + root: false, + registerRef: extractCallRef, }); - extractedDict.set(key, { - name, - rendered: w.end(), - src: value.cell, - srcOffset: value.offset - }); - } - - // Sort and filter - let dictKeys = Array.from(extractedDict.keys()).sort((a, b) => a - b); - let refsKeys = Array.from(extracted.keys()).sort(); - // Render methods - writer.append(printer(`PROGRAM{`, writer.indent)); - writer.inIndent(() => { + procedures.push( + AST.procedure( + callHash, + node as BlockNode, + ), + ); - // Declarations - for (let key of dictKeys) { - let value = extractedDict.get(key)!; - writer.append(printer(`DECLPROC ${value.name};`, writer.indent)); - } - for (let key of refsKeys) { - writer.append(printer(`DECLPROC ${key};`, writer.indent)); - } + return name; + } - // Dicts - for (let key of dictKeys) { - let value = extractedDict.get(key)!; - let hash = value.src.hash().toString('hex'); - let opstr = `${value.name} PROC:<{`; - writer.append(printer({ op: opstr, offset: value.srcOffset, length: 0, hash }, writer.indent)); - writer.inIndent(() => { - value.rendered.split('\n').forEach(line => { - writer.append(line); // Already formatted - }); - }); - opstr = `}>`; - writer.append(printer({ op: opstr, offset: value.srcOffset, length: 0, hash }, writer.indent)); - } - // Refs - for (let key of refsKeys) { - let value = extracted.get(key)!; - let hash = value.src.hash().toString('hex'); - let opstr = `${key} PROCREF:<{`; - writer.append(printer({ op: opstr, offset: value.srcOffset, length: 0, hash }, writer.indent)); - writer.inIndent(() => { - value.rendered.split('\n').forEach(line => { - writer.append(line); // Already formatted - }); - }); - opstr = `}>`; - writer.append(printer({ op: opstr, offset: value.srcOffset, length: 0, hash }, writer.indent)); - } + const methods = [...dict].map(([key, value]): MethodNode => { + return AST.method( + key, + decompileCell({ + source: value.cell, + offset: {bits: value.offset, refs: 0}, + limit: null, + root: false, + registerRef: extractCallRef, + }) as BlockNode, + value.cell.hash().toString('hex'), + value.offset, + ) }); - writer.append(printer(`}END>c`, writer.indent)); - return; + + return AST.program(methods, procedures); } // Proceed with a regular decompilation - for (const op of opcodes) { + const instructions: InstructionNode[] = opcodes.map(op => { const opcode = op.op; - // Special cases for call refs - if (opcode.code === 'CALLREF' && args.callRefExtractor) { - let id = args.callRefExtractor(opcode.args[0]); - let opstr = `${id} INLINECALLDICT`; - writer.append(printer({ op: opstr, offset: op.offset, length: op.length, hash: op.hash }, writer.indent)); - continue; - } + switch (opcode.code) { + case 'CALLREF': + if (args.registerRef) { + args.registerRef(opcode.args[0]); + } - // Special case for PUSHCONT - if (opcode.code === 'PUSHCONT') { - let opstr = '<{'; - writer.append(printer({ op: opstr, offset: op.offset, length: op.length, hash: op.hash }, writer.indent)); - writer.inIndent(() => { - decompileCell({ - src: opcode.args[0], - offset: { bits: opcode.args[1], refs: opcode.args[2] }, - limit: { bits: opcode.args[3], refs: opcode.args[4] }, - root: false, - writer: writer, - callRefExtractor: args.callRefExtractor, - printer: args.printer - }); - }) - opstr = '}> ' + op.op.code; - writer.append(printer({ op: opstr, offset: op.offset, length: op.length, hash: op.hash }, writer.indent)); - continue; - } + return AST.instruction( + 'INLINECALLDICT', + [AST.reference(opcode.args[0].hash().toString('hex'))], + op.offset, + op.length, + op.hash, + ); - // Special cases for continuations - if (opcode.code === 'IFREFELSE' - || opcode.code === 'CALLREF' - || opcode.code === 'IFJMPREF' - || opcode.code === 'IFREF' - || opcode.code === 'IFNOTREF' - || opcode.code === 'IFNOTJMPREF' - || opcode.code === 'IFREFELSEREF' - || opcode.code === 'IFELSEREF' - || opcode.code === 'PUSHREFCONT') { - let c = opcode.args[0]; - let opstr = '<{'; - writer.append(printer({ op: opstr, offset: op.offset, length: op.length, hash: op.hash }, writer.indent)); - writer.inIndent(() => { - decompileCell({ - src: c, - offset: { bits: 0, refs: 0 }, - limit: null, - root: false, - writer: writer, - callRefExtractor: args.callRefExtractor, - printer: args.printer + case 'CALLDICT': + return AST.instruction( + opcode.code, + [AST.methodReference(opcode.args[0])], + op.offset, + op.length, + op.hash, + ); + + case 'PUSHCONT': + return AST.instruction( + opcode.code, + [ + decompileCell({ + source: opcode.args[0], + offset: { + bits: opcode.args[1], + refs: opcode.args[2], + }, + limit: { + bits: opcode.args[3], + refs: opcode.args[4], + }, + root: false, + registerRef: args.registerRef, + }) as BlockNode, + ], + op.offset, + op.length, + op.hash, + ); + + // Slices + case 'PUSHSLICE': + case 'STSLICECONST': + const slice = subcell({ + cell: opcode.args[0], + offsetBits: opcode.args[1], + offsetRefs: opcode.args[2], + bits: opcode.args[3], + refs: opcode.args[4], }); - }) - opstr = '}> ' + opcode.code; - writer.append(printer({ op: opstr, offset: op.offset, length: op.length, hash: op.hash }, writer.indent)); - continue; - } - // Special cases for unknown opcode - if (opcode.code === 'unknown') { - writer.append('!' + opcode.data.toString()); - continue; + return AST.instruction( + opcode.code, + [AST.scalar(slice.toString())], + op.offset, + op.length, + op.hash, + ); + + // Special cases for continuations + case 'IFREFELSE': + case 'IFJMPREF': + case 'IFREF': + case 'IFNOTREF': + case 'IFNOTJMPREF': + case 'IFREFELSEREF': + case 'IFELSEREF': + case 'PUSHREFCONT': + return AST.instruction( + opcode.code, + [ + decompileCell({ + root: false, + source: opcode.args[0], + offset: { + bits: 0, + refs: 0, + }, + limit: null, + registerRef: args.registerRef, + }) as BlockNode, + ], + op.offset, + op.length, + op.hash, + ); + + // Globals + case 'SETGLOB': + case 'GETGLOB': + return AST.instruction( + opcode.code, + [AST.globalVariable(opcode.args[0])], + op.offset, + op.length, + op.hash, + ); + + // Control Registers + case 'POPCTR': + case 'PUSHCTR': + return AST.instruction( + opcode.code === 'POPCTR' ? 'POP' : 'PUSH', + [AST.controlRegister(opcode.args[0])], + op.offset, + op.length, + op.hash, + ); + + // Stack Primitives + case 'POP': + case 'PUSH': + return AST.instruction( + opcode.code, + [AST.stackEntry(opcode.args[0])], + op.offset, + op.length, + op.hash, + ); + + // OPCODE s(i) s(j) + case 'XCHG': + case 'XCHG2': + case 'XCPU': + case 'PUXC': + case 'PUSH2': + return AST.instruction( + opcode.code, + [AST.stackEntry(opcode.args[0]), AST.stackEntry(opcode.args[1])], + op.offset, + op.length, + op.hash, + ); + + // OPCODE s(i) s(j) s(k) + case 'XCHG3': + case 'PUSH3': + case 'XC2PU': + case 'XCPUXC': + case 'XCPU2': + case 'PUXC2': + case 'PUXCPU': + case 'PU2XC': + return AST.instruction( + opcode.code, + [ + AST.stackEntry(opcode.args[0]), + AST.stackEntry(opcode.args[1]), + AST.stackEntry(opcode.args[2]), + ], + op.offset, + op.length, + op.hash, + ); + + // All remaining opcodes + default: + return AST.instruction( + opcode.code as InstructionNode['opcode'], + 'args' in opcode + ? opcode.args.map((arg): ScalarNode => AST.scalar(arg as any)) + : [], + op.offset, + op.length, + op.hash, + ); } + }) - // All remaining opcodes - let opstr = opcodeToString(opcode); - writer.append(printer({ op: opstr, offset: op.offset, length: op.length, hash: op.hash }, writer.indent)); + if (instructions.length === 0) { + return AST.block( + [], + args.source.hash().toString('hex'), + args.offset.bits, + 0, + ); } + + const lastInstruction = instructions[instructions.length - 1]; + + return AST.block( + instructions, + args.source.hash().toString('hex'), + args.offset.bits, + lastInstruction.offset + lastInstruction.length, + ); } -export function decompileAll(args: { src: Buffer | Cell, printer?: Maybe }) { - let writer = new Writer(); - let src: Cell; +export function decompileAll(args: { src: Buffer | Cell }) { + let source: Cell; if (Buffer.isBuffer(args.src)) { - src = Cell.fromBoc(args.src)[0]; + source = Cell.fromBoc(args.src)[0]; } else { - src = args.src; + source = args.src; } - let printer = args.printer || createTextPrinter(2); - decompileCell({ - src, - offset: { bits: 0, refs: 0 }, + + const ast = decompileCell({ + source, + offset: {bits: 0, refs: 0}, limit: null, root: true, - writer, - printer }); - return writer.end(); + + return AssemblerWriter.write(ast, debugSymbols); } function createCodeCell(): DictionaryValue<{ offset: number, cell: Cell }> { @@ -245,7 +312,7 @@ function createCodeCell(): DictionaryValue<{ offset: number, cell: Cell }> { parse: (src) => { let cloned = src.clone(true); let offset = src.offsetBits; - return { offset, cell: cloned.asCell() }; + return {offset, cell: cloned.asCell()}; } }; -} \ No newline at end of file +} diff --git a/src/decompiler/knownMethods.ts b/src/decompiler/knownMethods.ts index a40192f..7321c7f 100644 --- a/src/decompiler/knownMethods.ts +++ b/src/decompiler/knownMethods.ts @@ -1,39 +1,45 @@ -export const knownMethods: { [key: number]: string } = { - [0]: 'recv_internal', - [-1]: 'recv_external', - [-2]: 'run_ticktock', - [66763]: 'get_full_domain', - [68445]: 'get_nft_content', - [69506]: 'get_telemint_token_name', - [72748]: 'get_sale_data', - [76407]: 'is_plugin_installed', - [78748]: 'get_public_key', - [80293]: 'get_owner', - [80697]: 'get_auction_info', - [81467]: 'get_subwallet_id', - [82320]: 'get_version', - [83229]: 'owner', - [85143]: 'seqno', - [85719]: 'royalty_params', - [90228]: 'get_editor', - [91689]: 'get_marketplace_address', - [92067]: 'get_nft_address_by_index', - [93270]: 'get_reveal_data', - [97026]: 'get_wallet_data', - [102351]: 'get_nft_data', - [102491]: 'get_collection_data', - [103289]: 'get_wallet_address', - [106029]: 'get_jetton_data', - [107279]: 'get_offer_data', - [107653]: 'get_plugin_list', - [110449]: 'get_is_closed', - [113617]: 'supported_interfaces', - [115390]: 'lazy_deployment_completed', - [116695]: 'get_reveal_mode', - [118054]: 'get_username', - [121275]: 'get_abi_ipfs', - [122498]: 'get_telemint_auction_state', - [123660]: 'dnsresolve', - [128411]: 'get_royalty_params', - [129619]: 'get_telemint_auction_config', -} \ No newline at end of file +import {DebugSymbols} from "@scaleton/func-debug-symbols"; + +export const debugSymbols: DebugSymbols = { + globals: [], + procedures: [ + { methodId: 0, name: 'recv_internal', cellHash: '' }, + { methodId: -1, name: 'recv_external', cellHash: '' }, + { methodId: -2, name: 'run_ticktock', cellHash: '' }, + { methodId: 66763, name: 'get_full_domain', cellHash: '' }, + { methodId: 68445, name: 'get_nft_content', cellHash: '' }, + { methodId: 69506, name: 'get_telemint_token_name', cellHash: '' }, + { methodId: 72748, name: 'get_sale_data', cellHash: '' }, + { methodId: 76407, name: 'is_plugin_installed', cellHash: '' }, + { methodId: 78748, name: 'get_public_key', cellHash: '' }, + { methodId: 80293, name: 'get_owner', cellHash: '' }, + { methodId: 80697, name: 'get_auction_info', cellHash: '' }, + { methodId: 81467, name: 'get_subwallet_id', cellHash: '' }, + { methodId: 82320, name: 'get_version', cellHash: '' }, + { methodId: 83229, name: 'owner', cellHash: '' }, + { methodId: 85143, name: 'seqno', cellHash: '' }, + { methodId: 85719, name: 'royalty_params', cellHash: '' }, + { methodId: 90228, name: 'get_editor', cellHash: '' }, + { methodId: 91689, name: 'get_marketplace_address', cellHash: '' }, + { methodId: 92067, name: 'get_nft_address_by_index', cellHash: '' }, + { methodId: 93270, name: 'get_reveal_data', cellHash: '' }, + { methodId: 97026, name: 'get_wallet_data', cellHash: '' }, + { methodId: 102351, name: 'get_nft_data', cellHash: '' }, + { methodId: 102491, name: 'get_collection_data', cellHash: '' }, + { methodId: 103289, name: 'get_wallet_address', cellHash: '' }, + { methodId: 106029, name: 'get_jetton_data', cellHash: '' }, + { methodId: 107279, name: 'get_offer_data', cellHash: '' }, + { methodId: 107653, name: 'get_plugin_list', cellHash: '' }, + { methodId: 110449, name: 'get_is_closed', cellHash: '' }, + { methodId: 113617, name: 'supported_interfaces', cellHash: '' }, + { methodId: 115390, name: 'lazy_deployment_completed', cellHash: '' }, + { methodId: 116695, name: 'get_reveal_mode', cellHash: '' }, + { methodId: 118054, name: 'get_username', cellHash: '' }, + { methodId: 121275, name: 'get_abi_ipfs', cellHash: '' }, + { methodId: 122498, name: 'get_telemint_auction_state', cellHash: '' }, + { methodId: 123660, name: 'dnsresolve', cellHash: '' }, + { methodId: 128411, name: 'get_royalty_params', cellHash: '' }, + { methodId: 129619, name: 'get_telemint_auction_config', cellHash: '' }, + ], + constants: [], +}; diff --git a/src/index.ts b/src/index.ts index 6e0a1dc..5dbd994 100644 --- a/src/index.ts +++ b/src/index.ts @@ -22,4 +22,4 @@ export { export { Printer, createTextPrinter -} from './decompiler/printer'; \ No newline at end of file +} from './decompiler/printer'; diff --git a/src/printer/AssemblerWriter.ts b/src/printer/AssemblerWriter.ts new file mode 100644 index 0000000..fdf99d1 --- /dev/null +++ b/src/printer/AssemblerWriter.ts @@ -0,0 +1,256 @@ +// This file is based on code from https://github.com/scaleton-labs/tvm-disassembler + +import {DebugSymbols} from '@scaleton/func-debug-symbols'; +import { + BlockNode, + InstructionNode, + MethodNode, + NodeType, + ProcedureNode, + ProgramNode, ScalarNode, +} from '../ast'; +import {Writer} from "../utils/Writer"; + +export class AssemblerWriter { + #writer = new Writer(); + + readonly knownGlobals = new Map(); + readonly knownMethods = new Map(); + readonly knownProcedures = new Map(); + + constructor(debugSymbols: DebugSymbols) { + debugSymbols.globals.forEach((glob) => { + this.knownGlobals.set(glob.index, glob.name); + }); + + debugSymbols.procedures.forEach((proc) => { + this.knownMethods.set(proc.methodId, proc.name); + this.knownProcedures.set(proc.cellHash, proc.name); + }); + } + + protected resolveGlobalName(index: number) { + return this.knownGlobals.get(index) ?? `${index}`; + } + + protected resolveMethodName(methodId: number) { + return this.knownMethods.get(methodId) ?? `?fun_${methodId}`; + } + + protected resolveProcedureName(hash: string) { + return ( + this.knownProcedures.get(hash) ?? `?fun_ref_${hash.substring(0, 16)}` + ); + } + + writeProgramNode(node: ProgramNode) { + this.#writer.writeLine('PROGRAM{'); + this.#writer.indent(() => { + // Sort + const methods = [...node.methods].sort((a, b) => a.id - b.id); + const procedures = [...node.procedures].sort((a, b) => + a.hash.localeCompare(b.hash), + ); + + methods.forEach((method) => { + this.#writer.writeLine( + `DECLPROC ${this.resolveMethodName(method.id)};`, + ); + }); + + procedures.forEach((procedure) => { + this.#writer.writeLine( + `DECLPROC ${this.resolveProcedureName(procedure.hash)};`, + ); + }); + + methods.forEach((method) => this.writeMethodNode(method)); + procedures.forEach((procedure) => this.writeNode(procedure)); + }); + this.#writer.writeLine('}END>c'); + } + + writeMethodNode(node: MethodNode) { + const methodName = this.resolveMethodName(node.id); + + this.#writer.write(`${methodName} PROC:`); + this.writeBlockNode(node.body, false); + this.#writer.newLine(); + } + + writeProcedureNode(node: ProcedureNode) { + const procedureName = this.resolveProcedureName(node.hash); + + this.#writer.write(`${procedureName} PROCREF:`); + this.writeBlockNode(node.body, false); + this.#writer.newLine(); + } + + writeBlockNode(node: BlockNode, top: boolean) { + if (!top) { + this.#writer.writeLine('<{'); + this.#writer.indent(() => { + for (const instruction of node.instructions) { + this.writeInstructionNode(instruction); + } + }); + this.#writer.write('}>'); + return; + } + + for (const instruction of node.instructions) { + this.writeInstructionNode(instruction); + } + } + + maybeSpecificWrite(node: InstructionNode): string | null { + const firstArg = (node.arguments[0] as ScalarNode)?.value + if (firstArg === undefined) { + return null; + } + + if (node.opcode === 'SETCP') { + return `SETCP${firstArg}`; + } + + if (node.opcode === 'GETPARAM') { + if (firstArg === 3) { + return 'NOW'; + } + if (firstArg === 4) { + return 'BLOCKLT'; + } + if (firstArg === 5) { + return 'LTIME'; + } + if (firstArg === 6) { + return 'RANDSEED'; + } + if (firstArg === 7) { + return 'BALANCE'; + } + if (firstArg === 8) { + return 'MYADDR'; + } + if (firstArg === 9) { + return 'CONFIGROOT'; + } + } + + if (node.opcode === 'ADDCONST') { + if (firstArg === 1) { + return 'INC'; + } + + return `${firstArg} ADD`; + } + + // Debug + if (node.opcode === 'DEBUG') { + if (firstArg === 0x00) { + return 'DUMPSTK'; + } + if (firstArg === 0x14) { + return 'STRDUMP'; + } + } + + return null + } + + writeInstructionNode(node: InstructionNode) { + const specific = this.maybeSpecificWrite(node); + if (specific) { + this.#writer.writeLine(specific); + return; + } + + node.arguments.forEach((arg) => { + switch (arg.type) { + case NodeType.STACK_ENTRY: + this.#writer.write(`s${arg.value} `); + break; + + case NodeType.CONTROL_REGISTER: + this.#writer.write(`c${arg.value} `); + break; + + case NodeType.SCALAR: + this.#writer.write(`${arg.value} `); + break; + + case NodeType.REFERENCE: + this.#writer.write(`${this.resolveProcedureName(arg.hash)} `); + break; + + case NodeType.GLOBAL_VARIABLE: + this.#writer.write(`${this.resolveGlobalName(arg.value)} `); + break; + + case NodeType.METHOD_REFERENCE: + this.#writer.write(`${this.resolveMethodName(arg.methodId)} `); + break; + + case NodeType.BLOCK: + this.writeBlockNode(arg, false); + this.#writer.write(' '); + break; + } + }); + + this.#writer.writeLine(node.opcode); + } + + writeNode( + node: + | ProgramNode + | MethodNode + | ProcedureNode + | BlockNode + | InstructionNode, + top: boolean = false, + ) { + switch (node.type) { + case NodeType.PROGRAM: + this.writeProgramNode(node); + break; + + case NodeType.METHOD: + this.writeMethodNode(node); + break; + + case NodeType.PROCEDURE: + this.writeProcedureNode(node); + break; + + case NodeType.BLOCK: + this.writeBlockNode(node, top); + break; + + case NodeType.INSTRUCTION: + this.writeInstructionNode(node); + break; + } + } + + output() { + return this.#writer.end(); + } + + static write( + node: ProgramNode | MethodNode | ProcedureNode | BlockNode, + debugSymbols?: DebugSymbols, + ): string { + const writer = new AssemblerWriter( + debugSymbols ?? { + globals: [], + procedures: [], + constants: [] + }, + ); + + writer.writeNode(node, true); + + return writer.output(); + } +} diff --git a/src/utils/Writer.ts b/src/utils/Writer.ts index aaf477f..6595ed8 100644 --- a/src/utils/Writer.ts +++ b/src/utils/Writer.ts @@ -1,13 +1,8 @@ -import { trimIndent } from './text'; export class Writer { #indent = 0; #lines: string[] = []; - get indent() { - return this.#indent; - } - - inIndent = (handler: () => void) => { + indent = (handler: () => void) => { this.#indent++; try { handler(); @@ -16,26 +11,27 @@ export class Writer { } }; - append(src: string = '') { - this.#lines.push(src); - } + #currentLine = ''; - // appendNoIndent(src: string = '') { - // this.#lines.push(src); - // } + write(src: string) { + this.#currentLine += src; + } - // append(src: string = '') { - // this.appendNoIndent(' '.repeat(this.#indent * 2) + src); - // } + newLine() { + this.#lines.push(' '.repeat(this.#indent * 2) + this.#currentLine); + this.#currentLine = ''; + } - // write(src: string) { - // let lines = trimIndent(src).split('\n'); - // for (let l of lines) { - // this.append(l); - // } - // } + writeLine(src: string) { + this.#lines.push(' '.repeat(this.#indent * 2) + this.#currentLine + src); + this.#currentLine = ''; + } end() { + if (this.#currentLine !== '') { + this.newLine(); + } + return this.#lines.join('\n'); } -} \ No newline at end of file +} diff --git a/yarn.lock b/yarn.lock index 869a841..9357001 100644 --- a/yarn.lock +++ b/yarn.lock @@ -718,6 +718,20 @@ detect-newline "^4.0.0" string-template "^1.0.0" +"@scaleton/func-debug-symbols@^0.1.4": + version "0.1.4" + resolved "https://registry.yarnpkg.com/@scaleton/func-debug-symbols/-/func-debug-symbols-0.1.4.tgz#b4c1841bfffca76880a684b8b700f1e80325e50a" + integrity sha512-6A+PERwnUz+GdWei7vPAuTrHtvsj5Tyl0MMFK1GPEJ5iwfRO7zElcEzUnf1F+cdipSKIlRfbeeVN2sW95C9hXA== + dependencies: + "@scaleton/tree-sitter-func" "^1.0.1" + buffer-crc32 "^0.2.13" + web-tree-sitter "^0.20.8" + +"@scaleton/tree-sitter-func@^1.0.1": + version "1.0.1" + resolved "https://registry.yarnpkg.com/@scaleton/tree-sitter-func/-/tree-sitter-func-1.0.1.tgz#a9fb6f479da5c823d05159a05949b224244d2505" + integrity sha512-zpnSUyEgMogkC8ydWjII7DNkYyNjsyVhGQ/YsbblBvh6ZI+FspVkxP2UECLsfo6Ep2R+2jocxn7Dpkm2FGeNGw== + "@sinclair/typebox@^0.25.16": version "0.25.24" resolved "https://registry.yarnpkg.com/@sinclair/typebox/-/typebox-0.25.24.tgz#8c7688559979f7079aacaf31aa881c3aa410b718" @@ -1185,6 +1199,11 @@ bser@2.1.1: dependencies: node-int64 "^0.4.0" +buffer-crc32@^0.2.13: + version "0.2.13" + resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242" + integrity sha512-VO9Ht/+p3SN7SKWqcrgEzjGbRSJYTx+Q1pTQC0wrWqHx0vpJraQ6GtHx8tvcg1rlK1byhU5gccxgOgj7B0TDkQ== + buffer-from@^1.0.0: version "1.1.2" resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.2.tgz#2b146a6fd72e80b4f55d255f35ed59a3a9a41bd5" @@ -4443,6 +4462,11 @@ web-streams-polyfill@^3.0.3: resolved "https://registry.yarnpkg.com/web-streams-polyfill/-/web-streams-polyfill-3.2.1.tgz#71c2718c52b45fd49dbeee88634b3a60ceab42a6" integrity sha512-e0MO3wdXWKrLbL0DgGnUV7WHVuw9OUvL4hjgnPkIeEvESk74gAITi5G606JtZPp39cd8HA9VQzCIvA49LpPN5Q== +web-tree-sitter@^0.20.8: + version "0.20.8" + resolved "https://registry.yarnpkg.com/web-tree-sitter/-/web-tree-sitter-0.20.8.tgz#1e371cb577584789cadd75cb49c7ddfbc99d04c8" + integrity sha512-weOVgZ3aAARgdnb220GqYuh7+rZU0Ka9k9yfKtGAzEYMa6GgiCzW9JjQRJyCJakvibQW+dfjJdihjInKuuCAUQ== + webidl-conversions@^3.0.0: version "3.0.1" resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"