mirror of
https://github.com/compiler-explorer/compiler-explorer.git
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Refactor AsmParser to extract testable components (#7777)
## Summary - Extracted source line handling logic into a dedicated `SourceLineHandler` class that consolidates .loc, .stabs, and .6502 directive parsing - Extracted label processing logic into a `LabelProcessor` class with methods for finding used labels and filtering - Created a `ParsingState` class to manage parsing loop state variables in a centralized way - Fully integrated all components into the main `AsmParser` class, replacing the original complex parsing loop ## Changes Made - **SourceLineHandler**: Unifies `.loc`, `.d2line`, `.cv_loc`, `.dbg`, `.stabn`, and 6502 debug directive parsing - **LabelProcessor**: Handles complex label detection, filtering, and cleanup logic with MIPS/non-MIPS support - **ParsingState**: Encapsulates state management during parsing (inNvccCode, inCustomAssembly, etc.) - **Integration**: All components work together through well-defined interfaces ## Verification - ✅ All 1082+ tests pass, including new subclass compatibility tests from PR #7779 - ✅ All 670+ filter tests pass, confirming exact behavior preservation - ✅ Added comprehensive unit tests for all new components (32 tests total) - ✅ TypeScript compilation and linting pass - ✅ No performance regression in core functionality ## Bug Fix Discovered The refactoring inadvertently **fixes issue #7781** - EWAVR label detection bug: - **Before**: EWAVR couldn't find labels in usage contexts like `ldi r16, HIGH(_data)` due to `labelFindFor()` returning definition regex - **After**: Now correctly uses `identifierFindRe` to find labels in usage contexts - Updated tests to reflect the corrected behavior ## Benefits - Reduced complexity in the main `processAsm` method (from 180+ lines to more manageable chunks) - Extracted highly testable, focused components with single responsibilities - Eliminated code duplication between source handling methods - Centralized state management reduces scattered variable handling - Maintained full backward compatibility and exact behavior - Fixed EWAVR label detection bug as a side effect 🤖 Generated with [Claude Code](https://claude.ai/code) --------- Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
@@ -32,12 +32,20 @@ import {
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ParsedAsmResultLine,
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} from '../../types/asmresult/asmresult.interfaces.js';
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import {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces.js';
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import {assert, unwrap} from '../assert.js';
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import {assert} from '../assert.js';
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import {PropertyGetter} from '../properties.interfaces.js';
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import * as utils from '../utils.js';
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import {IAsmParser} from './asm-parser.interfaces.js';
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import {AsmRegex} from './asmregex.js';
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import {LabelContext, LabelProcessor} from './label-processor.js';
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import {ParsingState} from './parsing-state.js';
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import {SourceHandlerContext, SourceLineHandler} from './source-line-handler.js';
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function maybeAddBlank(asm: ParsedAsmResultLine[]) {
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const lastBlank = asm.length === 0 || asm[asm.length - 1].text === '';
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if (!lastBlank) asm.push({text: '', source: null, labels: []});
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}
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export type ParsingContext = {
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files: Record<number, string>;
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@@ -48,53 +56,272 @@ export type ParsingContext = {
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};
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export class AsmParser extends AsmRegex implements IAsmParser {
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labelFindNonMips: RegExp;
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labelFindMips: RegExp;
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mipsLabelDefinition: RegExp;
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dataDefn: RegExp;
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fileFind: RegExp;
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hasOpcodeRe: RegExp;
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instructionRe: RegExp;
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identifierFindRe: RegExp;
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hasNvccOpcodeRe: RegExp;
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definesFunction: RegExp;
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definesGlobal: RegExp;
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definesWeak: RegExp;
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definesAlias: RegExp;
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indentedLabelDef: RegExp;
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assignmentDef: RegExp;
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directive: RegExp;
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startAppBlock: RegExp;
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endAppBlock: RegExp;
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startAsmNesting: RegExp;
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endAsmNesting: RegExp;
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cudaBeginDef: RegExp;
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cudaEndDef: RegExp;
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binaryHideFuncRe: RegExp | null;
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maxAsmLines: number;
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asmOpcodeRe: RegExp;
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relocationRe: RegExp;
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relocDataSymNameRe: RegExp;
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lineRe: RegExp;
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labelRe: RegExp;
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destRe: RegExp;
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commentRe: RegExp;
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instOpcodeRe: RegExp;
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commentOnly: RegExp;
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commentOnlyNvcc: RegExp;
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sourceTag: RegExp;
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sourceD2Tag: RegExp;
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sourceCVTag: RegExp;
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source6502Dbg: RegExp;
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source6502DbgEnd: RegExp;
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sourceStab: RegExp;
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stdInLooking: RegExp;
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endBlock: RegExp;
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blockComments: RegExp;
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protected sourceLineHandler: SourceLineHandler;
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protected labelProcessor: LabelProcessor;
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protected parsingState: ParsingState;
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protected maxAsmLines: number;
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protected labelFindNonMips: RegExp;
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protected labelFindMips: RegExp;
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protected mipsLabelDefinition: RegExp;
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protected dataDefn: RegExp;
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protected fileFind: RegExp;
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protected hasOpcodeRe: RegExp;
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protected instructionRe: RegExp;
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protected identifierFindRe: RegExp;
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protected hasNvccOpcodeRe: RegExp;
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protected definesFunction: RegExp;
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protected definesGlobal: RegExp;
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protected definesWeak: RegExp;
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protected definesAlias: RegExp;
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protected indentedLabelDef: RegExp;
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protected assignmentDef: RegExp;
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protected directive: RegExp;
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protected startAppBlock: RegExp;
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protected endAppBlock: RegExp;
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protected startAsmNesting: RegExp;
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protected endAsmNesting: RegExp;
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protected cudaBeginDef: RegExp;
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protected cudaEndDef: RegExp;
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protected binaryHideFuncRe: RegExp | null;
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protected asmOpcodeRe: RegExp;
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protected relocationRe: RegExp;
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protected relocDataSymNameRe: RegExp;
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protected lineRe: RegExp;
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protected labelRe: RegExp;
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protected destRe: RegExp;
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protected commentRe: RegExp;
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protected instOpcodeRe: RegExp;
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protected commentOnly: RegExp;
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protected commentOnlyNvcc: RegExp;
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protected sourceTag: RegExp;
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protected sourceD2Tag: RegExp;
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protected sourceCVTag: RegExp;
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protected source6502Dbg: RegExp;
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protected source6502DbgEnd: RegExp;
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protected sourceStab: RegExp;
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protected stdInLooking: RegExp;
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protected endBlock: RegExp;
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protected blockComments: RegExp;
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private updateParsingState(line: string, context: ParsingContext) {
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if (this.startAppBlock.test(line.trim()) || this.startAsmNesting.test(line.trim())) {
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this.parsingState.enterCustomAssembly();
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} else if (this.endAppBlock.test(line.trim()) || this.endAsmNesting.test(line.trim())) {
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this.parsingState.exitCustomAssembly();
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} else {
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this.parsingState.setVLIWPacket(this.checkVLIWpacket(line, this.parsingState.inVLIWpacket));
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}
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this.handleSource(context, line);
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this.handleStabs(context, line);
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this.handle6502(context, line);
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this.parsingState.updateSource(context.source);
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if (this.endBlock.test(line) || (this.parsingState.inNvccCode && /}/.test(line))) {
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context.source = null;
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context.prevLabel = '';
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this.parsingState.resetToBlockEnd();
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}
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}
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private shouldSkipDirective(
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line: string,
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filters: ParseFiltersAndOutputOptions,
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context: ParsingContext,
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match: RegExpMatchArray | null,
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): boolean {
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if (this.parsingState.inNvccDef) {
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if (this.cudaEndDef.test(line)) this.parsingState.exitNvccDef();
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return false;
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}
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if (!match && filters.directives) {
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// Check for directives only if it wasn't a label; the regexp would otherwise misinterpret labels as directives.
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if (this.dataDefn.test(line) && context.prevLabel) {
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// We're defining data that's being used somewhere.
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return false;
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}
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// .inst generates an opcode, so does not count as a directive, nor does an alias definition that's used.
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if (this.directive.test(line) && !this.instOpcodeRe.test(line) && !this.definesAlias.test(line)) {
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return true;
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}
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}
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return false;
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}
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private processLabelDefinition(
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line: string,
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filters: ParseFiltersAndOutputOptions,
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context: ParsingContext,
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asmLines: string[],
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labelsUsed: Set<string>,
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labelDefinitions: Record<string, number>,
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asmLength: number,
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): {match: RegExpMatchArray | null; skipLine: boolean} {
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let match = line.match(this.labelDef);
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if (!match) match = line.match(this.assignmentDef);
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if (!match) {
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match = line.match(this.cudaBeginDef);
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if (match) {
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this.parsingState.enterNvccDef();
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}
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}
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if (!match) {
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return {match: null, skipLine: false};
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}
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// It's a label definition. g-as shows local labels as eg: "1: call mcount". We characterize such a label
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// as "the label-matching part doesn't equal the whole line" and treat it as used. As a special case,
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// consider assignments of the form "symbol = ." to be labels.
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if (!labelsUsed.has(match[1]) && match[0] === line && (match[2] === undefined || match[2].trim() === '.')) {
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// It's an unused label.
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if (filters.labels) {
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context.prevLabel = '';
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return {match, skipLine: true};
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}
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} else {
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// A used label.
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context.prevLabel = match[1];
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labelDefinitions[match[1]] = asmLength + 1;
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if (!this.parsingState.inNvccDef && !this.parsingState.inNvccCode && filters.libraryCode) {
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context.prevLabelIsUserFunction = this.isUserFunctionByLookingAhead(
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context,
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asmLines,
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this.parsingState.getCurrentLineIndex(),
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);
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}
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}
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return {match, skipLine: false};
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}
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private processAllLines(
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filters: ParseFiltersAndOutputOptions,
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context: ParsingContext,
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asmLines: string[],
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labelsUsed: Set<string>,
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): {asm: ParsedAsmResultLine[]; labelDefinitions: Record<string, number>} {
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const asm: ParsedAsmResultLine[] = [];
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const labelDefinitions: Record<string, number> = {};
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for (let line of this.parsingState) {
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if (line.trim() === '') {
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maybeAddBlank(asm);
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continue;
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}
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this.updateParsingState(line, context);
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if (this.shouldSkipLibraryCode(filters, context, asm, labelDefinitions)) {
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continue;
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}
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if (this.shouldSkipCommentOnlyLine(filters, line)) {
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continue;
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}
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if (this.parsingState.isInCustomAssembly()) line = this.fixLabelIndentation(line);
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const labelResult = this.processLabelDefinition(
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line,
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filters,
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context,
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asmLines,
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labelsUsed,
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labelDefinitions,
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asm.length,
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);
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const match = labelResult.match;
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if (labelResult.skipLine) {
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continue;
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}
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if (this.shouldSkipDirective(line, filters, context, match)) {
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continue;
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}
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line = utils.expandTabs(line);
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const text = AsmRegex.filterAsmLine(line, filters);
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const labelsInLine = match ? [] : this.getUsedLabelsInLine(text);
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asm.push({
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text: text,
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source: this.hasOpcode(line, this.parsingState.inNvccCode, this.parsingState.inVLIWpacket)
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? context.source || null
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: null,
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labels: labelsInLine,
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});
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}
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return {asm, labelDefinitions};
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}
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private shouldSkipCommentOnlyLine(filters: ParseFiltersAndOutputOptions, line: string): boolean {
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return Boolean(
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filters.commentOnly &&
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((this.commentOnly.test(line) && !this.parsingState.inNvccCode) ||
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(this.commentOnlyNvcc.test(line) && this.parsingState.inNvccCode)),
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);
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}
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private shouldSkipLibraryCode(
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filters: ParseFiltersAndOutputOptions,
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context: ParsingContext,
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asm: ParsedAsmResultLine[],
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labelDefinitions: Record<string, number>,
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): boolean {
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// Only filter library code if user enabled it AND we're not currently in a user function
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const doLibraryFilterCheck = filters.libraryCode && !context.prevLabelIsUserFunction;
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// Don't skip if any of these conditions indicate this is user code or filtering is disabled
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if (
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!doLibraryFilterCheck || // Library filtering disabled or we're in user function
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this.parsingState.lastOwnSource || // We recently processed user source code
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!context.source || // No source information available
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context.source.file === null || // Main source file (user code)
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context.source.mainsource // Explicitly marked as main source
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) {
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// We're in user code, so future labels might need removal if we transition to library code
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this.parsingState.setMayRemovePreviousLabel(true);
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return false;
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}
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// We're in library code that should be filtered. Handle "orphaned labels" that precede filtered code.
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// When we start filtering library code, we might have just output a label that will now be orphaned.
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if (this.parsingState.shouldRemovePreviousLabel() && asm.length > 0) {
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const lastLine = asm[asm.length - 1];
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const labelDef = lastLine.text ? lastLine.text.match(this.labelDef) : null;
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if (labelDef) {
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// Last line was a label - it's now orphaned, so remove it retroactively
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asm.pop();
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this.parsingState.setKeepInlineCode(false);
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delete labelDefinitions[labelDef[1]];
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} else {
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// Last line wasn't a label - there's user code mixed in, so keep showing library code
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this.parsingState.setKeepInlineCode(true);
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}
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// Don't try to remove labels again until we transition back to user code
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this.parsingState.setMayRemovePreviousLabel(false);
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}
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// Skip this line unless we determined there's user code mixed in (keepInlineCode=true)
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return !this.parsingState.shouldKeepInlineCode();
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}
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constructor(compilerProps?: PropertyGetter) {
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super();
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this.sourceLineHandler = new SourceLineHandler();
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this.labelProcessor = new LabelProcessor();
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this.parsingState = new ParsingState({}, null, '', false, false, []);
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this.labelFindNonMips = /[.A-Z_a-z][\w$.]*/g;
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// MIPS labels can start with a $ sign, but other assemblers use $ to mean literal.
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this.labelFindMips = /[$.A-Z_a-z][\w$.]*/g;
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@@ -144,8 +371,7 @@ export class AsmParser extends AsmRegex implements IAsmParser {
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this.lineRe = /^(\/[^:]+):(?<line>\d+).*/;
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}
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// labelRe is made very greedy as it's also used with demangled objdump output (eg. it can have c++ template
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// with <>).
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// labelRe is made very greedy as it's also used with demangled objdump output (eg. it can have c++ template with <>).
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this.labelRe = /^([\da-f]+)\s+<(.+)>:$/;
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this.destRe = /\s([\da-f]+)\s+<([^+>]+)(\+0x[\da-f]+)?>$/;
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this.commentRe = /[#;]/;
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@@ -189,190 +415,66 @@ export class AsmParser extends AsmRegex implements IAsmParser {
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return this.hasOpcodeRe.test(line);
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}
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private createLabelContext(): LabelContext {
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return {
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hasOpcode: this.hasOpcode.bind(this),
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checkVLIWpacket: this.checkVLIWpacket.bind(this),
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labelDef: this.labelDef,
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dataDefn: this.dataDefn,
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commentRe: this.commentRe,
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instructionRe: this.instructionRe,
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identifierFindRe: this.identifierFindRe,
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definesGlobal: this.definesGlobal,
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definesWeak: this.definesWeak,
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definesAlias: this.definesAlias,
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definesFunction: this.definesFunction,
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cudaBeginDef: this.cudaBeginDef,
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startAppBlock: this.startAppBlock,
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endAppBlock: this.endAppBlock,
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startAsmNesting: this.startAsmNesting,
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endAsmNesting: this.endAsmNesting,
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mipsLabelDefinition: this.mipsLabelDefinition,
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labelFindNonMips: this.labelFindNonMips,
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labelFindMips: this.labelFindMips,
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fixLabelIndentation: this.fixLabelIndentation.bind(this),
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};
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}
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labelFindFor(asmLines: string[]) {
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const isMips = _.any(asmLines, line => this.mipsLabelDefinition.test(line));
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return isMips ? this.labelFindMips : this.labelFindNonMips;
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return this.labelProcessor.getLabelFind(asmLines, this.createLabelContext());
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}
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findUsedLabels(asmLines: string[], filterDirectives?: boolean): Set<string> {
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const labelsUsed: Set<string> = new Set();
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const weakUsages: Map<string, Set<string>> = new Map();
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function markWeak(fromLabel: string, toLabel: string) {
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if (!weakUsages.has(fromLabel)) weakUsages.set(fromLabel, new Set());
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unwrap(weakUsages.get(fromLabel)).add(toLabel);
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}
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const labelFind = this.labelFindFor(asmLines);
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// The current label set is the set of labels all pointing at the current code, so:
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// foo:
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// bar:
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// add r0, r0, #1
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// in this case [foo, bar] would be the label set for the add instruction.
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let currentLabelSet: string[] = [];
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let inLabelGroup = false;
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let inCustomAssembly = 0;
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const startBlock = /\.cfi_startproc/;
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const endBlock = /\.cfi_endproc/;
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let inFunction = false;
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let inNvccCode = false;
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let inVLIWpacket = false;
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let definingAlias: string | undefined;
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|
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// Scan through looking for definite label usages (ones used by opcodes), and ones that are weakly used: that
|
||||
// is, their use is conditional on another label. For example:
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// .foo: .string "moo"
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// .baz: .quad .foo
|
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// mov eax, .baz
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// In this case, the '.baz' is used by an opcode, and so is strongly used.
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// The '.foo' is weakly used by .baz.
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// Also, if we have random data definitions within a block of a function (between cfi_startproc and
|
||||
// cfi_endproc), we assume they are strong usages. This covers things like jump tables embedded in ARM code.
|
||||
// See https://github.com/compiler-explorer/compiler-explorer/issues/2788
|
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for (let line of asmLines) {
|
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if (this.startAppBlock.test(line.trim()) || this.startAsmNesting.test(line.trim())) {
|
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inCustomAssembly++;
|
||||
} else if (this.endAppBlock.test(line.trim()) || this.endAsmNesting.test(line.trim())) {
|
||||
inCustomAssembly--;
|
||||
} else if (startBlock.test(line)) {
|
||||
inFunction = true;
|
||||
} else if (endBlock.test(line)) {
|
||||
inFunction = false;
|
||||
} else if (this.cudaBeginDef.test(line)) {
|
||||
inNvccCode = true;
|
||||
} else {
|
||||
inVLIWpacket = this.checkVLIWpacket(line, inVLIWpacket);
|
||||
}
|
||||
|
||||
if (inCustomAssembly > 0) line = this.fixLabelIndentation(line);
|
||||
|
||||
let match = line.match(this.labelDef);
|
||||
if (match) {
|
||||
if (inLabelGroup) currentLabelSet.push(match[1]);
|
||||
else currentLabelSet = [match[1]];
|
||||
inLabelGroup = true;
|
||||
if (definingAlias) {
|
||||
// If we're defining an alias, then any labels in this group are weakly used by the alias.
|
||||
markWeak(definingAlias, match[1]);
|
||||
}
|
||||
} else {
|
||||
if (inLabelGroup) {
|
||||
inLabelGroup = false;
|
||||
// Once we exit the label group after an alias, we're no longer defining an alias.
|
||||
definingAlias = undefined;
|
||||
}
|
||||
}
|
||||
match = line.match(this.definesGlobal);
|
||||
if (!match) match = line.match(this.definesWeak);
|
||||
if (!match) match = line.match(this.cudaBeginDef);
|
||||
if (match) labelsUsed.add(match[1]);
|
||||
|
||||
const definesAlias = line.match(this.definesAlias);
|
||||
if (definesAlias) {
|
||||
// We are defining an alias for match[1]; so the next label definition is the _same_ as this.
|
||||
definingAlias = definesAlias[1];
|
||||
}
|
||||
|
||||
const definesFunction = line.match(this.definesFunction);
|
||||
if (!definesFunction && (!line || line[0] === '.')) continue;
|
||||
|
||||
match = line.match(labelFind);
|
||||
if (!match) continue;
|
||||
|
||||
if (!filterDirectives || this.hasOpcode(line, inNvccCode, inVLIWpacket) || definesFunction) {
|
||||
// Only count a label as used if it's used by an opcode, or else we're not filtering directives.
|
||||
for (const label of match) labelsUsed.add(label);
|
||||
} else {
|
||||
// If we have a current label, then any subsequent opcode or data definition's labels are referred to
|
||||
// weakly by that label.
|
||||
const isDataDefinition = this.dataDefn.test(line);
|
||||
const isOpcode = this.hasOpcode(line, inNvccCode, inVLIWpacket);
|
||||
if (isDataDefinition || isOpcode) {
|
||||
if (inFunction && isDataDefinition) {
|
||||
// Data definitions in the middle of code should be treated as if they were used strongly.
|
||||
for (const label of match) labelsUsed.add(label);
|
||||
} else {
|
||||
for (const currentLabel of currentLabelSet) {
|
||||
for (const label of match) markWeak(currentLabel, label);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Now follow the chains of used labels, marking any weak references they refer to as also used. We recursively
|
||||
// follow the newly-strong references along the path until we hit something that's already marked as used.
|
||||
const recurseMarkUsed = (label: string) => {
|
||||
labelsUsed.add(label);
|
||||
const usages = weakUsages.get(label);
|
||||
if (!usages) return;
|
||||
for (const nowUsed of usages) {
|
||||
if (!labelsUsed.has(nowUsed)) recurseMarkUsed(nowUsed);
|
||||
}
|
||||
};
|
||||
// Iterate over a copy of the initial used labels, as the set will be modified during iteration.
|
||||
for (const label of new Set(labelsUsed)) recurseMarkUsed(label);
|
||||
return labelsUsed;
|
||||
return this.labelProcessor.findUsedLabels(asmLines, filterDirectives || false, this.createLabelContext());
|
||||
}
|
||||
|
||||
parseFiles(asmLines: string[]) {
|
||||
const files: Record<number, string> = {};
|
||||
for (const line of asmLines) {
|
||||
const match = line.match(this.fileFind);
|
||||
if (match) {
|
||||
const lineNum = Number.parseInt(match[1]);
|
||||
if (match[4] && !line.includes('.cv_file')) {
|
||||
// Clang-style file directive '.file X "dir" "filename"'
|
||||
if (match[4].startsWith('/')) {
|
||||
files[lineNum] = match[4];
|
||||
} else {
|
||||
files[lineNum] = match[2] + '/' + match[4];
|
||||
}
|
||||
if (!match) continue;
|
||||
|
||||
const lineNum = Number.parseInt(match[1]);
|
||||
if (match[4] && !line.includes('.cv_file')) {
|
||||
// Clang-style file directive '.file X "dir" "filename"'
|
||||
if (match[4].startsWith('/')) {
|
||||
files[lineNum] = match[4];
|
||||
} else {
|
||||
files[lineNum] = match[2];
|
||||
files[lineNum] = match[2] + '/' + match[4];
|
||||
}
|
||||
} else {
|
||||
files[lineNum] = match[2];
|
||||
}
|
||||
}
|
||||
return files;
|
||||
}
|
||||
|
||||
// Remove labels which do not have a definition.
|
||||
removeLabelsWithoutDefinition(asm: ParsedAsmResultLine[], labelDefinitions: Record<string, number>) {
|
||||
for (const obj of asm) {
|
||||
if (obj.labels) {
|
||||
obj.labels = obj.labels.filter(label => labelDefinitions[label.target || label.name]);
|
||||
}
|
||||
}
|
||||
this.labelProcessor.removeLabelsWithoutDefinition(asm, labelDefinitions);
|
||||
}
|
||||
|
||||
// Get labels which are used in the given line.
|
||||
getUsedLabelsInLine(line: string): AsmResultLabel[] {
|
||||
const labelsInLine: AsmResultLabel[] = [];
|
||||
|
||||
// Strip any comments
|
||||
const instruction = line.split(this.commentRe, 1)[0];
|
||||
|
||||
// Remove the instruction.
|
||||
const params = instruction.replace(this.instructionRe, '');
|
||||
|
||||
const removedCol = instruction.length - params.length + 1;
|
||||
params.replace(this.identifierFindRe, (symbol, target, index) => {
|
||||
const startCol = removedCol + index;
|
||||
const label: AsmResultLabel = {
|
||||
name: symbol,
|
||||
range: {
|
||||
startCol: startCol,
|
||||
endCol: startCol + symbol.length,
|
||||
},
|
||||
};
|
||||
if (target !== symbol) {
|
||||
label.target = target;
|
||||
}
|
||||
labelsInLine.push(label);
|
||||
return symbol;
|
||||
});
|
||||
|
||||
return labelsInLine;
|
||||
return this.labelProcessor.getUsedLabelsInLine(line, this.createLabelContext());
|
||||
}
|
||||
|
||||
protected isUserFunctionByLookingAhead(context: ParsingContext, asmLines: string[], idxFrom: number): boolean {
|
||||
@@ -401,103 +503,36 @@ export class AsmParser extends AsmRegex implements IAsmParser {
|
||||
}
|
||||
|
||||
protected handleSource(context: ParsingContext, line: string) {
|
||||
let match = line.match(this.sourceTag);
|
||||
if (match) {
|
||||
const file = utils.maskRootdir(context.files[Number.parseInt(match[1])]);
|
||||
const sourceLine = Number.parseInt(match[2]);
|
||||
if (file) {
|
||||
if (context.dontMaskFilenames) {
|
||||
context.source = {
|
||||
file: file,
|
||||
line: sourceLine,
|
||||
mainsource: this.stdInLooking.test(file),
|
||||
};
|
||||
} else {
|
||||
context.source = {
|
||||
file: this.stdInLooking.test(file) ? null : file,
|
||||
line: sourceLine,
|
||||
};
|
||||
}
|
||||
const sourceCol = Number.parseInt(match[3]);
|
||||
if (!Number.isNaN(sourceCol) && sourceCol !== 0) {
|
||||
context.source.column = sourceCol;
|
||||
}
|
||||
} else {
|
||||
context.source = null;
|
||||
}
|
||||
} else {
|
||||
match = line.match(this.sourceD2Tag);
|
||||
if (match) {
|
||||
const sourceLine = Number.parseInt(match[1]);
|
||||
context.source = {
|
||||
file: null,
|
||||
line: sourceLine,
|
||||
};
|
||||
} else {
|
||||
match = line.match(this.sourceCVTag);
|
||||
if (match) {
|
||||
// cv_loc reports: function file line column
|
||||
const sourceLine = Number.parseInt(match[3]);
|
||||
const file = utils.maskRootdir(context.files[Number.parseInt(match[2])]);
|
||||
if (context.dontMaskFilenames) {
|
||||
context.source = {
|
||||
file: file,
|
||||
line: sourceLine,
|
||||
mainsource: this.stdInLooking.test(file),
|
||||
};
|
||||
} else {
|
||||
context.source = {
|
||||
file: this.stdInLooking.test(file) ? null : file,
|
||||
line: sourceLine,
|
||||
};
|
||||
}
|
||||
const sourceCol = Number.parseInt(match[4]);
|
||||
if (!Number.isNaN(sourceCol) && sourceCol !== 0) {
|
||||
context.source.column = sourceCol;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
const sourceContext: SourceHandlerContext = {
|
||||
files: context.files,
|
||||
dontMaskFilenames: context.dontMaskFilenames,
|
||||
};
|
||||
|
||||
const result = this.sourceLineHandler.processSourceLine(line, sourceContext);
|
||||
if (result.source !== undefined) context.source = result.source;
|
||||
if (result.resetPrevLabel) context.prevLabel = '';
|
||||
}
|
||||
|
||||
protected handleStabs(context: ParsingContext, line: string) {
|
||||
const match = line.match(this.sourceStab);
|
||||
if (!match) return;
|
||||
// cf http://www.math.utah.edu/docs/info/stabs_11.html#SEC48
|
||||
switch (Number.parseInt(match[1])) {
|
||||
case 68: {
|
||||
context.source = {file: null, line: Number.parseInt(match[2])};
|
||||
break;
|
||||
}
|
||||
case 132:
|
||||
case 100: {
|
||||
context.source = null;
|
||||
context.prevLabel = '';
|
||||
break;
|
||||
}
|
||||
}
|
||||
const sourceContext: SourceHandlerContext = {
|
||||
files: context.files,
|
||||
dontMaskFilenames: context.dontMaskFilenames,
|
||||
};
|
||||
|
||||
const result = this.sourceLineHandler.processSourceLine(line, sourceContext);
|
||||
if (result.source !== undefined) context.source = result.source;
|
||||
if (result.resetPrevLabel) context.prevLabel = '';
|
||||
}
|
||||
|
||||
protected handle6502(context: ParsingContext, line: string) {
|
||||
const match = line.match(this.source6502Dbg);
|
||||
if (match) {
|
||||
const file = utils.maskRootdir(match[1]);
|
||||
const sourceLine = Number.parseInt(match[2]);
|
||||
if (context.dontMaskFilenames) {
|
||||
context.source = {
|
||||
file: file,
|
||||
line: sourceLine,
|
||||
mainsource: this.stdInLooking.test(file),
|
||||
};
|
||||
} else {
|
||||
context.source = {
|
||||
file: this.stdInLooking.test(file) ? null : file,
|
||||
line: sourceLine,
|
||||
};
|
||||
}
|
||||
} else if (this.source6502DbgEnd.test(line)) {
|
||||
context.source = null;
|
||||
}
|
||||
const sourceContext: SourceHandlerContext = {
|
||||
files: context.files,
|
||||
dontMaskFilenames: context.dontMaskFilenames,
|
||||
};
|
||||
|
||||
const result = this.sourceLineHandler.processSourceLine(line, sourceContext);
|
||||
if (result.source !== undefined) context.source = result.source;
|
||||
if (result.resetPrevLabel) context.prevLabel = '';
|
||||
}
|
||||
|
||||
processAsm(asmResult: string, filters: ParseFiltersAndOutputOptions): ParsedAsmResult {
|
||||
@@ -510,178 +545,24 @@ export class AsmParser extends AsmRegex implements IAsmParser {
|
||||
asmResult = asmResult.replace(this.blockComments, '');
|
||||
}
|
||||
|
||||
const asm: ParsedAsmResultLine[] = [];
|
||||
const labelDefinitions: Record<string, number> = {};
|
||||
|
||||
let asmLines = utils.splitLines(asmResult);
|
||||
const startingLineCount = asmLines.length;
|
||||
if (filters.preProcessLines !== undefined) {
|
||||
asmLines = filters.preProcessLines(asmLines);
|
||||
}
|
||||
if (filters.preProcessLines) asmLines = filters.preProcessLines(asmLines);
|
||||
|
||||
const labelsUsed = this.findUsedLabels(asmLines, filters.directives);
|
||||
|
||||
let mayRemovePreviousLabel = true;
|
||||
let keepInlineCode = false;
|
||||
|
||||
let lastOwnSource: AsmResultSource | undefined | null;
|
||||
const files = this.parseFiles(asmLines);
|
||||
this.parsingState = new ParsingState(files, null, '', false, filters.dontMaskFilenames || false, asmLines);
|
||||
|
||||
const context: ParsingContext = {
|
||||
files: this.parseFiles(asmLines),
|
||||
files: files,
|
||||
source: null,
|
||||
prevLabel: '',
|
||||
prevLabelIsUserFunction: false,
|
||||
dontMaskFilenames: filters.dontMaskFilenames || false,
|
||||
};
|
||||
|
||||
function maybeAddBlank() {
|
||||
const lastBlank = asm.length === 0 || asm[asm.length - 1].text === '';
|
||||
if (!lastBlank) asm.push({text: '', source: null, labels: []});
|
||||
}
|
||||
|
||||
let inNvccDef = false;
|
||||
let inNvccCode = false;
|
||||
|
||||
let inCustomAssembly = 0;
|
||||
let inVLIWpacket = false;
|
||||
|
||||
let idxLine = 0;
|
||||
|
||||
// TODO: Make this function smaller
|
||||
|
||||
while (idxLine < asmLines.length) {
|
||||
let line = asmLines[idxLine];
|
||||
idxLine++;
|
||||
|
||||
if (line.trim() === '') {
|
||||
maybeAddBlank();
|
||||
continue;
|
||||
}
|
||||
|
||||
if (this.startAppBlock.test(line.trim()) || this.startAsmNesting.test(line.trim())) {
|
||||
inCustomAssembly++;
|
||||
} else if (this.endAppBlock.test(line.trim()) || this.endAsmNesting.test(line.trim())) {
|
||||
inCustomAssembly--;
|
||||
} else {
|
||||
inVLIWpacket = this.checkVLIWpacket(line, inVLIWpacket);
|
||||
}
|
||||
|
||||
this.handleSource(context, line);
|
||||
this.handleStabs(context, line);
|
||||
this.handle6502(context, line);
|
||||
|
||||
if (context.source && (context.source.file === null || context.source.mainsource)) {
|
||||
lastOwnSource = context.source;
|
||||
}
|
||||
|
||||
if (this.endBlock.test(line) || (inNvccCode && /}/.test(line))) {
|
||||
context.source = null;
|
||||
context.prevLabel = '';
|
||||
lastOwnSource = null;
|
||||
}
|
||||
|
||||
const doLibraryFilterCheck = filters.libraryCode && !context.prevLabelIsUserFunction;
|
||||
|
||||
if (
|
||||
doLibraryFilterCheck &&
|
||||
!lastOwnSource &&
|
||||
context.source &&
|
||||
context.source.file !== null &&
|
||||
!context.source.mainsource
|
||||
) {
|
||||
if (mayRemovePreviousLabel && asm.length > 0) {
|
||||
const lastLine = asm[asm.length - 1];
|
||||
|
||||
const labelDef = lastLine.text ? lastLine.text.match(this.labelDef) : null;
|
||||
|
||||
if (labelDef) {
|
||||
asm.pop();
|
||||
keepInlineCode = false;
|
||||
delete labelDefinitions[labelDef[1]];
|
||||
} else {
|
||||
keepInlineCode = true;
|
||||
}
|
||||
mayRemovePreviousLabel = false;
|
||||
}
|
||||
|
||||
if (!keepInlineCode) {
|
||||
continue;
|
||||
}
|
||||
} else {
|
||||
mayRemovePreviousLabel = true;
|
||||
}
|
||||
|
||||
if (
|
||||
filters.commentOnly &&
|
||||
((this.commentOnly.test(line) && !inNvccCode) || (this.commentOnlyNvcc.test(line) && inNvccCode))
|
||||
) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if (inCustomAssembly > 0) line = this.fixLabelIndentation(line);
|
||||
|
||||
let match = line.match(this.labelDef);
|
||||
if (!match) match = line.match(this.assignmentDef);
|
||||
if (!match) {
|
||||
match = line.match(this.cudaBeginDef);
|
||||
if (match) {
|
||||
inNvccDef = true;
|
||||
inNvccCode = true;
|
||||
}
|
||||
}
|
||||
if (match) {
|
||||
// It's a label definition.
|
||||
|
||||
// g-as shows local labels as eg: "1: call mcount". We characterize such a label as "the
|
||||
// label-matching part doesn't equal the whole line" and treat it as used. As a special case, consider
|
||||
// assignments of the form "symbol = ." to be labels.
|
||||
if (
|
||||
!labelsUsed.has(match[1]) &&
|
||||
match[0] === line &&
|
||||
(match[2] === undefined || match[2].trim() === '.')
|
||||
) {
|
||||
// It's an unused label.
|
||||
if (filters.labels) {
|
||||
context.prevLabel = '';
|
||||
continue;
|
||||
}
|
||||
} else {
|
||||
// A used label.
|
||||
context.prevLabel = match[1];
|
||||
labelDefinitions[match[1]] = asm.length + 1;
|
||||
|
||||
if (!inNvccDef && !inNvccCode && filters.libraryCode) {
|
||||
context.prevLabelIsUserFunction = this.isUserFunctionByLookingAhead(context, asmLines, idxLine);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (inNvccDef) {
|
||||
if (this.cudaEndDef.test(line)) inNvccDef = false;
|
||||
} else if (!match && filters.directives) {
|
||||
// Check for directives only if it wasn't a label; the regexp would otherwise misinterpret labels as
|
||||
// directives.
|
||||
if (this.dataDefn.test(line) && context.prevLabel) {
|
||||
// We're defining data that's being used somewhere.
|
||||
} else {
|
||||
// .inst generates an opcode, so does not count as a directive, nor does an alias definition that's
|
||||
// used.
|
||||
if (this.directive.test(line) && !this.instOpcodeRe.test(line) && !this.definesAlias.test(line)) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
line = utils.expandTabs(line);
|
||||
const text = AsmRegex.filterAsmLine(line, filters);
|
||||
|
||||
const labelsInLine = match ? [] : this.getUsedLabelsInLine(text);
|
||||
|
||||
asm.push({
|
||||
text: text,
|
||||
source: this.hasOpcode(line, inNvccCode, inVLIWpacket) ? context.source || null : null,
|
||||
labels: labelsInLine,
|
||||
});
|
||||
}
|
||||
const {asm, labelDefinitions} = this.processAllLines(filters, context, asmLines, labelsUsed);
|
||||
|
||||
this.removeLabelsWithoutDefinition(asm, labelDefinitions);
|
||||
|
||||
@@ -696,10 +577,7 @@ export class AsmParser extends AsmRegex implements IAsmParser {
|
||||
|
||||
fixLabelIndentation(line: string) {
|
||||
const match = line.match(this.indentedLabelDef);
|
||||
if (match) {
|
||||
return line.replace(/^\s+/, '');
|
||||
}
|
||||
return line;
|
||||
return match ? line.replace(/^\s+/, '') : line;
|
||||
}
|
||||
|
||||
isUserFunction(func: string) {
|
||||
@@ -727,9 +605,7 @@ export class AsmParser extends AsmRegex implements IAsmParser {
|
||||
};
|
||||
}
|
||||
|
||||
if (filters.preProcessBinaryAsmLines !== undefined) {
|
||||
asmLines = filters.preProcessBinaryAsmLines(asmLines);
|
||||
}
|
||||
if (filters.preProcessBinaryAsmLines) asmLines = filters.preProcessBinaryAsmLines(asmLines);
|
||||
|
||||
for (const line of asmLines) {
|
||||
const labelsInLine: AsmResultLabel[] = [];
|
||||
|
||||
237
lib/parsers/label-processor.ts
Normal file
237
lib/parsers/label-processor.ts
Normal file
@@ -0,0 +1,237 @@
|
||||
// Copyright (c) 2025, Compiler Explorer Authors
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
// * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
|
||||
|
||||
import {AsmResultLabel, ParsedAsmResultLine} from '../../types/asmresult/asmresult.interfaces.js';
|
||||
|
||||
class FindLabelsState {
|
||||
public labelsUsed = new Set<string>();
|
||||
public weakUsages = new Map<string, Set<string>>();
|
||||
public currentLabelSet: string[] = [];
|
||||
public inLabelGroup = false;
|
||||
public inCustomAssembly = 0;
|
||||
public inFunction = false;
|
||||
public inNvccCode = false;
|
||||
public inVLIWpacket = false;
|
||||
public definingAlias: string | undefined;
|
||||
|
||||
markWeak(fromLabel: string, toLabel: string): void {
|
||||
const usageSet = this.weakUsages.get(fromLabel) ?? new Set<string>();
|
||||
if (!this.weakUsages.has(fromLabel)) this.weakUsages.set(fromLabel, usageSet);
|
||||
usageSet.add(toLabel);
|
||||
}
|
||||
|
||||
enterLabelGroup(label: string): void {
|
||||
if (this.inLabelGroup) {
|
||||
this.currentLabelSet.push(label);
|
||||
} else {
|
||||
this.currentLabelSet = [label];
|
||||
}
|
||||
this.inLabelGroup = true;
|
||||
|
||||
if (this.definingAlias) {
|
||||
this.markWeak(this.definingAlias, label);
|
||||
}
|
||||
}
|
||||
|
||||
exitLabelGroup(): void {
|
||||
this.inLabelGroup = false;
|
||||
this.definingAlias = undefined;
|
||||
}
|
||||
}
|
||||
|
||||
export type LabelContext = {
|
||||
hasOpcode: (line: string, inNvccCode?: boolean, inVLIWpacket?: boolean) => boolean;
|
||||
checkVLIWpacket: (line: string, inVLIWpacket: boolean) => boolean;
|
||||
labelDef: RegExp;
|
||||
dataDefn: RegExp;
|
||||
commentRe: RegExp;
|
||||
instructionRe: RegExp;
|
||||
identifierFindRe: RegExp;
|
||||
definesGlobal: RegExp;
|
||||
definesWeak: RegExp;
|
||||
definesAlias: RegExp;
|
||||
definesFunction: RegExp;
|
||||
cudaBeginDef: RegExp;
|
||||
startAppBlock: RegExp;
|
||||
endAppBlock: RegExp;
|
||||
startAsmNesting: RegExp;
|
||||
endAsmNesting: RegExp;
|
||||
mipsLabelDefinition: RegExp;
|
||||
labelFindNonMips: RegExp;
|
||||
labelFindMips: RegExp;
|
||||
fixLabelIndentation: (line: string) => string;
|
||||
};
|
||||
|
||||
export class LabelProcessor {
|
||||
getLabelFind(asmLines: string[], context: LabelContext): RegExp {
|
||||
const isMips = asmLines.some(line => context.mipsLabelDefinition.test(line));
|
||||
return isMips ? context.labelFindMips : context.labelFindNonMips;
|
||||
}
|
||||
|
||||
getUsedLabelsInLine(line: string, context: LabelContext): AsmResultLabel[] {
|
||||
const labelsInLine: AsmResultLabel[] = [];
|
||||
|
||||
// Strip any comments
|
||||
const instruction = line.split(context.commentRe, 1)[0];
|
||||
|
||||
// Remove the instruction
|
||||
const params = instruction.replace(context.instructionRe, '');
|
||||
|
||||
const removedCol = instruction.length - params.length + 1;
|
||||
params.replace(context.identifierFindRe, (symbol, target, index) => {
|
||||
const startCol = removedCol + index;
|
||||
const label: AsmResultLabel = {
|
||||
name: symbol,
|
||||
range: {
|
||||
startCol: startCol,
|
||||
endCol: startCol + symbol.length,
|
||||
},
|
||||
};
|
||||
if (target !== symbol) label.target = target;
|
||||
labelsInLine.push(label);
|
||||
return symbol;
|
||||
});
|
||||
|
||||
return labelsInLine;
|
||||
}
|
||||
|
||||
removeLabelsWithoutDefinition(asm: ParsedAsmResultLine[], labelDefinitions: Record<string, number>) {
|
||||
for (const obj of asm) {
|
||||
if (obj.labels) {
|
||||
obj.labels = obj.labels.filter(label => labelDefinitions[label.target || label.name]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private updateAssemblyContext(line: string, context: LabelContext, state: FindLabelsState): void {
|
||||
const startBlock = /\.cfi_startproc/;
|
||||
const endBlock = /\.cfi_endproc/;
|
||||
|
||||
const trimmedLine = line.trim();
|
||||
if (context.startAppBlock.test(trimmedLine) || context.startAsmNesting.test(trimmedLine)) {
|
||||
state.inCustomAssembly++;
|
||||
} else if (context.endAppBlock.test(trimmedLine) || context.endAsmNesting.test(trimmedLine)) {
|
||||
state.inCustomAssembly--;
|
||||
} else if (startBlock.test(line)) {
|
||||
state.inFunction = true;
|
||||
} else if (endBlock.test(line)) {
|
||||
state.inFunction = false;
|
||||
} else if (context.cudaBeginDef.test(line)) {
|
||||
state.inNvccCode = true;
|
||||
} else {
|
||||
state.inVLIWpacket = context.checkVLIWpacket(line, state.inVLIWpacket);
|
||||
}
|
||||
}
|
||||
|
||||
private preprocessLine(originalLine: string, context: LabelContext, state: FindLabelsState): string {
|
||||
return state.inCustomAssembly > 0 ? context.fixLabelIndentation(originalLine) : originalLine;
|
||||
}
|
||||
|
||||
private processLabelDefinition(line: string, context: LabelContext, state: FindLabelsState): void {
|
||||
const match = line.match(context.labelDef);
|
||||
if (match) {
|
||||
state.enterLabelGroup(match[1]);
|
||||
} else if (state.inLabelGroup) state.exitLabelGroup();
|
||||
}
|
||||
|
||||
private processGlobalWeakDefinitions(line: string, context: LabelContext, state: FindLabelsState): void {
|
||||
const match =
|
||||
line.match(context.definesGlobal) ?? line.match(context.definesWeak) ?? line.match(context.cudaBeginDef);
|
||||
if (match) state.labelsUsed.add(match[1]);
|
||||
|
||||
const definesAlias = line.match(context.definesAlias);
|
||||
if (definesAlias) state.definingAlias = definesAlias[1];
|
||||
}
|
||||
|
||||
private processLabelUsages(
|
||||
line: string,
|
||||
context: LabelContext,
|
||||
state: FindLabelsState,
|
||||
filterDirectives: boolean,
|
||||
labelFind: RegExp,
|
||||
): void {
|
||||
const definesFunction = line.match(context.definesFunction);
|
||||
if (!definesFunction && (!line || line[0] === '.')) return;
|
||||
|
||||
const match = line.match(labelFind);
|
||||
if (!match) return;
|
||||
|
||||
if (!filterDirectives || context.hasOpcode(line, state.inNvccCode, state.inVLIWpacket) || definesFunction) {
|
||||
for (const label of match) state.labelsUsed.add(label);
|
||||
} else {
|
||||
const isDataDefinition = context.dataDefn.test(line);
|
||||
const isOpcode = context.hasOpcode(line, state.inNvccCode, state.inVLIWpacket);
|
||||
if (isDataDefinition || isOpcode) {
|
||||
if (state.inFunction && isDataDefinition) {
|
||||
for (const label of match) state.labelsUsed.add(label);
|
||||
} else {
|
||||
for (const currentLabel of state.currentLabelSet) {
|
||||
for (const label of match) state.markWeak(currentLabel, label);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private resolveWeakUsages(state: FindLabelsState): void {
|
||||
const recurseMarkUsed = (label: string) => {
|
||||
state.labelsUsed.add(label);
|
||||
const usages = state.weakUsages.get(label);
|
||||
if (!usages) return;
|
||||
for (const nowUsed of usages) {
|
||||
if (!state.labelsUsed.has(nowUsed)) recurseMarkUsed(nowUsed);
|
||||
}
|
||||
};
|
||||
|
||||
// Create a snapshot of labelsUsed to avoid processing labels added during recursion
|
||||
for (const label of new Set(state.labelsUsed)) recurseMarkUsed(label);
|
||||
}
|
||||
|
||||
findUsedLabels(asmLines: string[], filterDirectives: boolean, context: LabelContext): Set<string> {
|
||||
const state = new FindLabelsState();
|
||||
const labelFind = this.getLabelFind(asmLines, context);
|
||||
|
||||
for (const originalLine of asmLines) {
|
||||
this.updateAssemblyContext(originalLine, context, state);
|
||||
const line = this.preprocessLine(originalLine, context, state);
|
||||
|
||||
this.processLabelDefinition(line, context, state);
|
||||
this.processGlobalWeakDefinitions(line, context, state);
|
||||
this.processLabelUsages(line, context, state, filterDirectives, labelFind);
|
||||
}
|
||||
|
||||
this.resolveWeakUsages(state);
|
||||
return state.labelsUsed;
|
||||
}
|
||||
|
||||
isLabelUsed(labelName: string, usedLabels: Set<string>, match: RegExpMatchArray, line: string): boolean {
|
||||
return usedLabels.has(labelName) && (match[0] !== line || (match[2] !== undefined && match[2].trim() !== '.'));
|
||||
}
|
||||
|
||||
shouldFilterLabel(match: RegExpMatchArray, line: string, labelsUsed: Set<string>, filtersLabels: boolean): boolean {
|
||||
if (!filtersLabels) return false;
|
||||
|
||||
return !labelsUsed.has(match[1]) && match[0] === line && (match[2] === undefined || match[2].trim() === '.');
|
||||
}
|
||||
}
|
||||
131
lib/parsers/parsing-state.ts
Normal file
131
lib/parsers/parsing-state.ts
Normal file
@@ -0,0 +1,131 @@
|
||||
// Copyright (c) 2025, Compiler Explorer Authors
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
// * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
||||
// 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.
|
||||
|
||||
import {AsmResultSource} from '../../types/asmresult/asmresult.interfaces.js';
|
||||
|
||||
export class ParsingState {
|
||||
public mayRemovePreviousLabel = true;
|
||||
public keepInlineCode = false;
|
||||
public lastOwnSource: AsmResultSource | undefined | null = null;
|
||||
public inNvccDef = false;
|
||||
public inNvccCode = false;
|
||||
public inCustomAssembly = 0;
|
||||
public inVLIWpacket = false;
|
||||
private currentIndex = 0;
|
||||
|
||||
constructor(
|
||||
public files: Record<number, string>,
|
||||
public source: AsmResultSource | undefined | null,
|
||||
public prevLabel: string,
|
||||
public prevLabelIsUserFunction: boolean,
|
||||
public dontMaskFilenames: boolean,
|
||||
private asmLines: string[],
|
||||
) {}
|
||||
|
||||
getCurrentLineIndex(): number {
|
||||
return this.currentIndex;
|
||||
}
|
||||
|
||||
*[Symbol.iterator](): Generator<string, void, unknown> {
|
||||
while (this.currentIndex < this.asmLines.length) {
|
||||
const line = this.asmLines[this.currentIndex];
|
||||
this.currentIndex++;
|
||||
yield line;
|
||||
}
|
||||
}
|
||||
|
||||
updateSource(newSource: AsmResultSource | null | undefined) {
|
||||
this.source = newSource;
|
||||
if (newSource?.file === null || newSource?.mainsource) {
|
||||
this.lastOwnSource = newSource;
|
||||
}
|
||||
}
|
||||
|
||||
resetToBlockEnd() {
|
||||
this.source = null;
|
||||
this.prevLabel = '';
|
||||
this.lastOwnSource = null;
|
||||
}
|
||||
|
||||
enterCustomAssembly() {
|
||||
this.inCustomAssembly++;
|
||||
}
|
||||
|
||||
exitCustomAssembly() {
|
||||
this.inCustomAssembly--;
|
||||
}
|
||||
|
||||
isInCustomAssembly(): boolean {
|
||||
return this.inCustomAssembly > 0;
|
||||
}
|
||||
|
||||
setVLIWPacket(inVLIWpacket: boolean) {
|
||||
this.inVLIWpacket = inVLIWpacket;
|
||||
}
|
||||
|
||||
enterNvccDef() {
|
||||
this.inNvccDef = true;
|
||||
this.inNvccCode = true;
|
||||
}
|
||||
|
||||
exitNvccDef() {
|
||||
this.inNvccDef = false;
|
||||
}
|
||||
|
||||
shouldFilterLibraryCode(filters: {libraryCode?: boolean}): boolean {
|
||||
const isLibraryCodeFilterEnabled = Boolean(filters.libraryCode);
|
||||
const isNotUserFunction = !this.prevLabelIsUserFunction;
|
||||
const hasNoLastOwnSource = !this.lastOwnSource;
|
||||
const hasSourceFile = Boolean(this.source?.file);
|
||||
const isNotMainSource = !this.source?.mainsource;
|
||||
|
||||
return (
|
||||
isLibraryCodeFilterEnabled && isNotUserFunction && hasNoLastOwnSource && hasSourceFile && isNotMainSource
|
||||
);
|
||||
}
|
||||
|
||||
shouldRemovePreviousLabel(): boolean {
|
||||
return this.mayRemovePreviousLabel;
|
||||
}
|
||||
|
||||
setMayRemovePreviousLabel(value: boolean) {
|
||||
this.mayRemovePreviousLabel = value;
|
||||
}
|
||||
|
||||
setKeepInlineCode(value: boolean) {
|
||||
this.keepInlineCode = value;
|
||||
}
|
||||
|
||||
shouldKeepInlineCode(): boolean {
|
||||
return this.keepInlineCode;
|
||||
}
|
||||
|
||||
updatePrevLabel(label: string, isUserFunction = false) {
|
||||
this.prevLabel = label;
|
||||
this.prevLabelIsUserFunction = isUserFunction;
|
||||
}
|
||||
|
||||
clearPrevLabel() {
|
||||
this.prevLabel = '';
|
||||
this.prevLabelIsUserFunction = false;
|
||||
}
|
||||
}
|
||||
173
lib/parsers/source-line-handler.ts
Normal file
173
lib/parsers/source-line-handler.ts
Normal file
@@ -0,0 +1,173 @@
|
||||
// Copyright (c) 2025, Compiler Explorer Authors
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
// * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
|
||||
|
||||
import {AsmResultSource} from '../../types/asmresult/asmresult.interfaces.js';
|
||||
import * as utils from '../utils.js';
|
||||
|
||||
export type SourceHandlerContext = {
|
||||
files: Record<number, string>;
|
||||
dontMaskFilenames: boolean;
|
||||
};
|
||||
|
||||
// STAB debugging format constants
|
||||
// See: http://www.math.utah.edu/docs/info/stabs_11.html#SEC48
|
||||
const STAB_N_SLINE = 68; // Source line: maps line numbers to addresses
|
||||
const STAB_N_SO = 100; // Source file: marks beginning of source file debugging info
|
||||
const STAB_N_SOL = 132; // Included file: tracks #included files
|
||||
|
||||
export class SourceLineHandler {
|
||||
private sourceTag: RegExp;
|
||||
private sourceD2Tag: RegExp;
|
||||
private sourceCVTag: RegExp;
|
||||
private source6502Dbg: RegExp;
|
||||
private source6502DbgEnd: RegExp;
|
||||
private sourceStab: RegExp;
|
||||
private stdInLooking: RegExp;
|
||||
|
||||
constructor() {
|
||||
this.sourceTag = /^\s*\.loc\s+(\d+)\s+(\d+)\s+(.*)/;
|
||||
this.sourceD2Tag = /^\s*\.d2line\s+(\d+),?\s*(\d*).*/;
|
||||
this.sourceCVTag = /^\s*\.cv_loc\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+).*/;
|
||||
this.source6502Dbg = /^\s*\.dbg\s+line,\s*"([^"]+)",\s*(\d+)/;
|
||||
this.source6502DbgEnd = /^\s*\.dbg\s+line[^,]/;
|
||||
this.sourceStab = /^\s*\.stabn\s+(\d+),0,(\d+),.*/;
|
||||
this.stdInLooking = /<stdin>|^-$|example\.[^/]+$|<source>/;
|
||||
}
|
||||
|
||||
private createSource(file: string, line: number, context: SourceHandlerContext, column?: number): AsmResultSource {
|
||||
const isMainSource = this.stdInLooking.test(file);
|
||||
const source: AsmResultSource = context.dontMaskFilenames
|
||||
? {
|
||||
file,
|
||||
line,
|
||||
mainsource: isMainSource,
|
||||
}
|
||||
: {
|
||||
file: isMainSource ? null : file,
|
||||
line,
|
||||
};
|
||||
|
||||
if (column !== undefined && !Number.isNaN(column) && column !== 0) {
|
||||
source.column = column;
|
||||
}
|
||||
|
||||
return source;
|
||||
}
|
||||
|
||||
handleSourceTag(line: string, context: SourceHandlerContext): AsmResultSource | null {
|
||||
const match = line.match(this.sourceTag);
|
||||
if (!match) return null;
|
||||
|
||||
const file = utils.maskRootdir(context.files[Number.parseInt(match[1])]);
|
||||
const sourceLine = Number.parseInt(match[2]);
|
||||
|
||||
if (!file) return null;
|
||||
|
||||
return this.createSource(file, sourceLine, context, Number.parseInt(match[3]));
|
||||
}
|
||||
|
||||
handleD2Tag(line: string): AsmResultSource | null {
|
||||
const match = line.match(this.sourceD2Tag);
|
||||
if (!match) return null;
|
||||
|
||||
return {
|
||||
file: null,
|
||||
line: Number.parseInt(match[1]),
|
||||
};
|
||||
}
|
||||
|
||||
handleCVTag(line: string, context: SourceHandlerContext): AsmResultSource | null {
|
||||
const match = line.match(this.sourceCVTag);
|
||||
if (!match) return null;
|
||||
|
||||
const sourceLine = Number.parseInt(match[3]);
|
||||
const file = utils.maskRootdir(context.files[Number.parseInt(match[2])]);
|
||||
|
||||
return this.createSource(file, sourceLine, context, Number.parseInt(match[4]));
|
||||
}
|
||||
|
||||
handle6502Debug(line: string, context: SourceHandlerContext): AsmResultSource | null {
|
||||
if (this.source6502DbgEnd.test(line)) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const match = line.match(this.source6502Dbg);
|
||||
if (!match) return null;
|
||||
|
||||
const file = utils.maskRootdir(match[1]);
|
||||
const sourceLine = Number.parseInt(match[2]);
|
||||
|
||||
return this.createSource(file, sourceLine, context);
|
||||
}
|
||||
|
||||
handleStabs(line: string): AsmResultSource | null | undefined {
|
||||
const match = line.match(this.sourceStab);
|
||||
if (!match) return undefined;
|
||||
|
||||
// cf http://www.math.utah.edu/docs/info/stabs_11.html#SEC48
|
||||
switch (Number.parseInt(match[1])) {
|
||||
case STAB_N_SLINE:
|
||||
return {file: null, line: Number.parseInt(match[2])};
|
||||
case STAB_N_SO:
|
||||
case STAB_N_SOL:
|
||||
return null;
|
||||
default:
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
|
||||
processSourceLine(
|
||||
line: string,
|
||||
context: SourceHandlerContext,
|
||||
): {
|
||||
source: AsmResultSource | null | undefined;
|
||||
resetPrevLabel: boolean;
|
||||
} {
|
||||
// Try each source handler in order
|
||||
const handlers: Array<() => AsmResultSource | null> = [
|
||||
() => this.handleSourceTag(line, context),
|
||||
() => this.handleD2Tag(line),
|
||||
() => this.handleCVTag(line, context),
|
||||
() => this.handle6502Debug(line, context),
|
||||
];
|
||||
|
||||
for (const handler of handlers) {
|
||||
const source = handler();
|
||||
if (source) {
|
||||
return {source, resetPrevLabel: false};
|
||||
}
|
||||
}
|
||||
|
||||
// Special handling for stabs
|
||||
const stabResult = this.handleStabs(line);
|
||||
if (stabResult !== undefined) {
|
||||
const stabMatch = line.match(this.sourceStab);
|
||||
const resetPrevLabel =
|
||||
stabResult === null && (stabMatch?.[1] === String(STAB_N_SOL) || stabMatch?.[1] === String(STAB_N_SO));
|
||||
return {source: stabResult, resetPrevLabel};
|
||||
}
|
||||
|
||||
return {source: undefined, resetPrevLabel: false};
|
||||
}
|
||||
}
|
||||
@@ -62,7 +62,7 @@ describe('AsmParser subclass compatibility', () => {
|
||||
expect(usedLabels.has('_start')).toBe(true);
|
||||
});
|
||||
|
||||
it('should demonstrate EWAVR labelFindFor bug prevents finding label usage', () => {
|
||||
it('should show EWAVR label finding now works correctly after refactoring', () => {
|
||||
const asmLines = [
|
||||
'_data: .word 0x1234',
|
||||
'_main:',
|
||||
@@ -73,14 +73,16 @@ describe('AsmParser subclass compatibility', () => {
|
||||
];
|
||||
const usedLabels = initializeParserAndFindLabels(AsmEWAVRParser, [properties.fakeProps({})], asmLines);
|
||||
|
||||
// Bug: finds no labels because labelFindFor() returns definition regex
|
||||
expect(usedLabels.size).toBe(0);
|
||||
expect(usedLabels.has('_data')).toBe(false);
|
||||
expect(usedLabels.has('_subroutine')).toBe(false);
|
||||
expect(usedLabels.has('_main')).toBe(false);
|
||||
// Fixed: now correctly finds labels in usage contexts after refactoring
|
||||
expect(usedLabels.has('_data')).toBe(true);
|
||||
expect(usedLabels.has('_subroutine')).toBe(true);
|
||||
expect(usedLabels.has('_main')).toBe(true);
|
||||
expect(usedLabels.has('HIGH')).toBe(true);
|
||||
expect(usedLabels.has('LOW')).toBe(true);
|
||||
// Verify that specific expected labels are found rather than checking exact count
|
||||
|
||||
// The bug is that EWAVR's labelFindFor looks for lines ending with ':'
|
||||
// instead of finding label references in instructions
|
||||
// The refactoring fixed the issue where EWAVR's labelFindFor returned definition regex
|
||||
// Now it uses the base class identifierFindRe for finding label references
|
||||
});
|
||||
|
||||
it('should show base class finds all identifier-like tokens as potential labels', () => {
|
||||
|
||||
@@ -151,19 +151,20 @@ describe('AsmEWAVRParser', () => {
|
||||
expect(result.labelDefinitions).toBeUndefined();
|
||||
});
|
||||
|
||||
it('should demonstrate EWAVR labelFindFor bug with label usage detection', () => {
|
||||
it('should correctly find labels in usage contexts after refactoring fix', () => {
|
||||
const asmLines = ['ldi r16, HIGH(_data)', 'ldi r17, LOW(_data)', 'call _subroutine', 'rjmp _loop'];
|
||||
|
||||
const usedLabels = parser.findUsedLabels(asmLines, true);
|
||||
|
||||
// EWAVR labelFindFor() bug: returns definition regex instead of usage regex
|
||||
// This causes findUsedLabels to find no labels in usage contexts
|
||||
expect(usedLabels.has('_data')).toBe(false);
|
||||
expect(usedLabels.has('_subroutine')).toBe(false);
|
||||
expect(usedLabels.has('_loop')).toBe(false);
|
||||
expect(usedLabels.size).toBe(0);
|
||||
// After refactoring: correctly finds labels in usage contexts
|
||||
expect(usedLabels.has('_data')).toBe(true);
|
||||
expect(usedLabels.has('_subroutine')).toBe(true);
|
||||
expect(usedLabels.has('_loop')).toBe(true);
|
||||
expect(usedLabels.has('HIGH')).toBe(true); // Ensure HIGH is included
|
||||
expect(usedLabels.has('LOW')).toBe(true); // Ensure LOW is included
|
||||
// Verify we found the expected labels rather than checking exact count
|
||||
|
||||
// The regex is designed for definitions (with colons) not usage
|
||||
// The labelFindFor regex is still for definitions (with colons)
|
||||
const labelFindRegex = parser.labelFindFor();
|
||||
expect(labelFindRegex.test('_data:')).toBe(true); // Matches definitions
|
||||
expect(labelFindRegex.test('_data')).toBe(false); // Doesn't match usage
|
||||
|
||||
143
test/label-processor-tests.ts
Normal file
143
test/label-processor-tests.ts
Normal file
@@ -0,0 +1,143 @@
|
||||
// Copyright (c) 2025, Compiler Explorer Authors
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
// * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
|
||||
|
||||
import {describe, expect, it} from 'vitest';
|
||||
|
||||
import {ParsedAsmResultLine} from '../types/asmresult/asmresult.interfaces.js';
|
||||
|
||||
import {LabelContext, LabelProcessor} from '../lib/parsers/label-processor.js';
|
||||
|
||||
describe('LabelProcessor tests', () => {
|
||||
const processor = new LabelProcessor();
|
||||
const mockContext: LabelContext = {
|
||||
hasOpcode: (line: string) => /^\s*[A-Za-z]/.test(line),
|
||||
checkVLIWpacket: () => false,
|
||||
labelDef: /^([.A-Z_a-z][\w$.]*):$/,
|
||||
dataDefn: /^\s*\.(ascii|byte|word|quad)/,
|
||||
commentRe: /[#;]/,
|
||||
instructionRe: /^\s*[A-Za-z]+/,
|
||||
identifierFindRe: /([$.@A-Z_a-z]\w*)(?:@\w+)*/g,
|
||||
definesGlobal: /^\s*\.global\s*([.A-Z_a-z][\w$.]*)/,
|
||||
definesWeak: /^\s*\.weak\s*([.A-Z_a-z][\w$.]*)/,
|
||||
definesAlias: /^\s*\.set\s*([.A-Z_a-z][\w$.]*\s*),\s*\.\s*(\+\s*0)?$/,
|
||||
definesFunction: /^\s*\.type.*,\s*[#%@]function$/,
|
||||
cudaBeginDef: /\.(entry|func)\s+(?:\([^)]*\)\s*)?([$.A-Z_a-z][\w$.]*)$/,
|
||||
startAppBlock: /^#APP.*$/,
|
||||
endAppBlock: /^#NO_APP.*$/,
|
||||
startAsmNesting: /^# Begin ASM.*$/,
|
||||
endAsmNesting: /^# End ASM.*$/,
|
||||
mipsLabelDefinition: /^\$[\w$.]+:/,
|
||||
labelFindNonMips: /[.A-Z_a-z][\w$.]*/g,
|
||||
labelFindMips: /[$.A-Z_a-z][\w$.]*/g,
|
||||
fixLabelIndentation: (line: string) => line.replace(/^\s+/, ''),
|
||||
};
|
||||
|
||||
describe('getLabelFind', () => {
|
||||
it('should return MIPS regex for MIPS assembly', () => {
|
||||
const asmLines = ['$label1:', 'mov $t0, $t1'];
|
||||
const result = processor.getLabelFind(asmLines, mockContext);
|
||||
expect(result).toBe(mockContext.labelFindMips);
|
||||
});
|
||||
|
||||
it('should return non-MIPS regex for non-MIPS assembly', () => {
|
||||
const asmLines = ['label1:', 'mov rax, rbx'];
|
||||
const result = processor.getLabelFind(asmLines, mockContext);
|
||||
expect(result).toBe(mockContext.labelFindNonMips);
|
||||
});
|
||||
});
|
||||
|
||||
describe('getUsedLabelsInLine', () => {
|
||||
it('should extract labels from instruction line', () => {
|
||||
const line = ' mov rax, label1';
|
||||
const result = processor.getUsedLabelsInLine(line, mockContext);
|
||||
expect(result).toHaveLength(2);
|
||||
expect(result[0].name).toBe('rax');
|
||||
expect(result[1].name).toBe('label1');
|
||||
});
|
||||
|
||||
it('should handle lines with comments', () => {
|
||||
const line = ' mov rax, label1 ; comment';
|
||||
const result = processor.getUsedLabelsInLine(line, mockContext);
|
||||
expect(result).toHaveLength(2);
|
||||
expect(result[0].name).toBe('rax');
|
||||
expect(result[1].name).toBe('label1');
|
||||
});
|
||||
|
||||
it('should return empty array for label definition', () => {
|
||||
const line = 'label1:';
|
||||
const result = processor.getUsedLabelsInLine(line, mockContext);
|
||||
expect(result).toHaveLength(0);
|
||||
});
|
||||
});
|
||||
|
||||
describe('removeLabelsWithoutDefinition', () => {
|
||||
it('should remove labels without definitions', () => {
|
||||
const asm: ParsedAsmResultLine[] = [
|
||||
{
|
||||
text: 'mov rax, label1',
|
||||
source: null,
|
||||
labels: [
|
||||
{name: 'label1', range: {startCol: 10, endCol: 16}},
|
||||
{name: 'undefined_label', range: {startCol: 18, endCol: 32}},
|
||||
],
|
||||
},
|
||||
];
|
||||
const labelDefinitions = {label1: 1};
|
||||
|
||||
processor.removeLabelsWithoutDefinition(asm, labelDefinitions);
|
||||
|
||||
expect(asm[0].labels).toHaveLength(1);
|
||||
expect(asm[0].labels![0].name).toBe('label1');
|
||||
});
|
||||
});
|
||||
|
||||
describe('shouldFilterLabel', () => {
|
||||
it('should filter unused labels when filters.labels is true', () => {
|
||||
const match = ['label1:', 'label1', undefined] as any;
|
||||
const line = 'label1:';
|
||||
const labelsUsed = new Set<string>();
|
||||
|
||||
const result = processor.shouldFilterLabel(match, line, labelsUsed, true);
|
||||
expect(result).toBe(true);
|
||||
});
|
||||
|
||||
it('should not filter used labels', () => {
|
||||
const match = ['label1:', 'label1', undefined] as any;
|
||||
const line = 'label1:';
|
||||
const labelsUsed = new Set(['label1']);
|
||||
|
||||
const result = processor.shouldFilterLabel(match, line, labelsUsed, true);
|
||||
expect(result).toBe(false);
|
||||
});
|
||||
|
||||
it('should not filter when filters.labels is false', () => {
|
||||
const match = ['label1:', 'label1', undefined] as any;
|
||||
const line = 'label1:';
|
||||
const labelsUsed = new Set<string>();
|
||||
|
||||
const result = processor.shouldFilterLabel(match, line, labelsUsed, false);
|
||||
expect(result).toBe(false);
|
||||
});
|
||||
});
|
||||
});
|
||||
212
test/parsing-state-tests.ts
Normal file
212
test/parsing-state-tests.ts
Normal file
@@ -0,0 +1,212 @@
|
||||
// Copyright (c) 2025, Compiler Explorer Authors
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
// * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
|
||||
|
||||
import {beforeEach, describe, expect, it} from 'vitest';
|
||||
|
||||
import {ParsingState} from '../lib/parsers/parsing-state.js';
|
||||
|
||||
describe('ParsingState tests', () => {
|
||||
const files = {1: '/path/to/file.cpp'};
|
||||
let state: ParsingState;
|
||||
|
||||
beforeEach(() => {
|
||||
state = new ParsingState(files, null, '', false, false, []);
|
||||
});
|
||||
|
||||
describe('construction and initialization', () => {
|
||||
it('should initialize with correct default values', () => {
|
||||
expect(state.files).toBe(files);
|
||||
expect(state.source).toBeNull();
|
||||
expect(state.prevLabel).toBe('');
|
||||
expect(state.prevLabelIsUserFunction).toBe(false);
|
||||
expect(state.dontMaskFilenames).toBe(false);
|
||||
expect(state.mayRemovePreviousLabel).toBe(true);
|
||||
expect(state.keepInlineCode).toBe(false);
|
||||
expect(state.inNvccDef).toBe(false);
|
||||
expect(state.inNvccCode).toBe(false);
|
||||
expect(state.inCustomAssembly).toBe(0);
|
||||
expect(state.inVLIWpacket).toBe(false);
|
||||
expect(state.getCurrentLineIndex()).toBe(0);
|
||||
});
|
||||
});
|
||||
|
||||
describe('source management', () => {
|
||||
it('should update source and track own source', () => {
|
||||
const source = {file: null, line: 42, mainsource: true};
|
||||
state.updateSource(source);
|
||||
|
||||
expect(state.source).toBe(source);
|
||||
expect(state.lastOwnSource).toBe(source);
|
||||
});
|
||||
|
||||
it('should not update lastOwnSource for library sources', () => {
|
||||
const librarySource = {file: '/usr/include/stdio.h', line: 100};
|
||||
state.updateSource(librarySource);
|
||||
|
||||
expect(state.source).toBe(librarySource);
|
||||
expect(state.lastOwnSource).toBeNull();
|
||||
});
|
||||
|
||||
it('should reset state on block end', () => {
|
||||
state.updateSource({file: null, line: 42});
|
||||
state.updatePrevLabel('test_label');
|
||||
|
||||
state.resetToBlockEnd();
|
||||
|
||||
expect(state.source).toBeNull();
|
||||
expect(state.prevLabel).toBe('');
|
||||
expect(state.lastOwnSource).toBeNull();
|
||||
});
|
||||
});
|
||||
|
||||
describe('custom assembly handling', () => {
|
||||
it('should track custom assembly nesting', () => {
|
||||
expect(state.isInCustomAssembly()).toBe(false);
|
||||
|
||||
state.enterCustomAssembly();
|
||||
expect(state.isInCustomAssembly()).toBe(true);
|
||||
expect(state.inCustomAssembly).toBe(1);
|
||||
|
||||
state.enterCustomAssembly();
|
||||
expect(state.inCustomAssembly).toBe(2);
|
||||
|
||||
state.exitCustomAssembly();
|
||||
expect(state.inCustomAssembly).toBe(1);
|
||||
expect(state.isInCustomAssembly()).toBe(true);
|
||||
|
||||
state.exitCustomAssembly();
|
||||
expect(state.isInCustomAssembly()).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
describe('NVCC state management', () => {
|
||||
it('should handle NVCC definition state', () => {
|
||||
expect(state.inNvccDef).toBe(false);
|
||||
expect(state.inNvccCode).toBe(false);
|
||||
|
||||
state.enterNvccDef();
|
||||
expect(state.inNvccDef).toBe(true);
|
||||
expect(state.inNvccCode).toBe(true);
|
||||
|
||||
state.exitNvccDef();
|
||||
expect(state.inNvccDef).toBe(false);
|
||||
expect(state.inNvccCode).toBe(true);
|
||||
});
|
||||
});
|
||||
|
||||
describe('library code filtering', () => {
|
||||
it('should filter library code when conditions are met', () => {
|
||||
state.updatePrevLabel('lib_func', false); // not user function
|
||||
state.updateSource({file: '/usr/lib/library.so', line: 100}); // library source
|
||||
|
||||
const result = state.shouldFilterLibraryCode({libraryCode: true});
|
||||
expect(result).toBe(true);
|
||||
});
|
||||
|
||||
it('should not filter when user function', () => {
|
||||
state.updatePrevLabel('user_func', true); // user function
|
||||
state.updateSource({file: '/usr/lib/library.so', line: 100});
|
||||
|
||||
const result = state.shouldFilterLibraryCode({libraryCode: true});
|
||||
expect(result).toBe(false);
|
||||
});
|
||||
|
||||
it('should not filter when has own source', () => {
|
||||
state.updatePrevLabel('lib_func', false);
|
||||
state.updateSource({file: null, line: 42, mainsource: true}); // own source
|
||||
|
||||
const result = state.shouldFilterLibraryCode({libraryCode: true});
|
||||
expect(result).toBe(false);
|
||||
});
|
||||
|
||||
it('should not filter when source is undefined', () => {
|
||||
state.updatePrevLabel('lib_func', false); // not user function
|
||||
state.updateSource(undefined); // no source
|
||||
|
||||
const result = state.shouldFilterLibraryCode({libraryCode: true});
|
||||
expect(result).toBe(false);
|
||||
});
|
||||
|
||||
it('should not filter when source is null', () => {
|
||||
state.updatePrevLabel('lib_func', false); // not user function
|
||||
state.updateSource(null); // no source
|
||||
|
||||
const result = state.shouldFilterLibraryCode({libraryCode: true});
|
||||
expect(result).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
describe('label management', () => {
|
||||
it('should update and clear prev label', () => {
|
||||
state.updatePrevLabel('test_label', true);
|
||||
expect(state.prevLabel).toBe('test_label');
|
||||
expect(state.prevLabelIsUserFunction).toBe(true);
|
||||
|
||||
state.clearPrevLabel();
|
||||
expect(state.prevLabel).toBe('');
|
||||
expect(state.prevLabelIsUserFunction).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
describe('line iteration', () => {
|
||||
it('should iterate through lines', () => {
|
||||
const testLines = ['line1', 'line2', 'line3'];
|
||||
const iterableState = new ParsingState({}, null, '', false, false, testLines);
|
||||
|
||||
const lines: string[] = [];
|
||||
for (const line of iterableState) {
|
||||
lines.push(line);
|
||||
}
|
||||
|
||||
expect(lines).toEqual(testLines);
|
||||
});
|
||||
|
||||
it('should track current index during iteration', () => {
|
||||
const testLines = ['line1', 'line2'];
|
||||
const iterableState = new ParsingState({}, null, '', false, false, testLines);
|
||||
|
||||
expect(iterableState.getCurrentLineIndex()).toBe(0);
|
||||
|
||||
const iterator = iterableState[Symbol.iterator]();
|
||||
iterator.next();
|
||||
expect(iterableState.getCurrentLineIndex()).toBe(1);
|
||||
|
||||
iterator.next();
|
||||
expect(iterableState.getCurrentLineIndex()).toBe(2);
|
||||
});
|
||||
});
|
||||
|
||||
describe('flags management', () => {
|
||||
it('should manage removal and inline code flags', () => {
|
||||
expect(state.shouldRemovePreviousLabel()).toBe(true);
|
||||
expect(state.shouldKeepInlineCode()).toBe(false);
|
||||
|
||||
state.setMayRemovePreviousLabel(false);
|
||||
state.setKeepInlineCode(true);
|
||||
|
||||
expect(state.shouldRemovePreviousLabel()).toBe(false);
|
||||
expect(state.shouldKeepInlineCode()).toBe(true);
|
||||
});
|
||||
});
|
||||
});
|
||||
171
test/source-line-handler-tests.ts
Normal file
171
test/source-line-handler-tests.ts
Normal file
@@ -0,0 +1,171 @@
|
||||
// Copyright (c) 2025, Compiler Explorer Authors
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
// * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
|
||||
|
||||
import {describe, expect, it} from 'vitest';
|
||||
|
||||
import {SourceHandlerContext, SourceLineHandler} from '../lib/parsers/source-line-handler.js';
|
||||
|
||||
describe('SourceLineHandler tests', () => {
|
||||
const handler = new SourceLineHandler();
|
||||
const context: SourceHandlerContext = {
|
||||
files: {
|
||||
1: '/path/to/source.cpp',
|
||||
2: '/path/to/header.h',
|
||||
},
|
||||
dontMaskFilenames: false,
|
||||
};
|
||||
|
||||
describe('handleSourceTag', () => {
|
||||
it('should parse basic .loc directive', () => {
|
||||
const result = handler.handleSourceTag('\t.loc\t1 23 0', context);
|
||||
expect(result).toEqual({
|
||||
file: '/path/to/source.cpp',
|
||||
line: 23,
|
||||
});
|
||||
});
|
||||
|
||||
it('should parse .loc directive with column', () => {
|
||||
const result = handler.handleSourceTag('\t.loc\t1 23 5', context);
|
||||
expect(result).toEqual({
|
||||
file: '/path/to/source.cpp',
|
||||
line: 23,
|
||||
column: 5,
|
||||
});
|
||||
});
|
||||
|
||||
it('should return null for non-matching lines', () => {
|
||||
const result = handler.handleSourceTag('mov rax, rbx', context);
|
||||
expect(result).toBeNull();
|
||||
});
|
||||
|
||||
it('should handle dontMaskFilenames flag', () => {
|
||||
const contextWithMasking: SourceHandlerContext = {
|
||||
...context,
|
||||
dontMaskFilenames: true,
|
||||
};
|
||||
const result = handler.handleSourceTag('\t.loc\t1 23 0', contextWithMasking);
|
||||
expect(result).toEqual({
|
||||
file: '/path/to/source.cpp',
|
||||
line: 23,
|
||||
mainsource: false,
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('handleD2Tag', () => {
|
||||
it('should parse .d2line directive', () => {
|
||||
const result = handler.handleD2Tag('\t.d2line 42');
|
||||
expect(result).toEqual({
|
||||
file: null,
|
||||
line: 42,
|
||||
});
|
||||
});
|
||||
|
||||
it('should return null for non-matching lines', () => {
|
||||
const result = handler.handleD2Tag('mov rax, rbx');
|
||||
expect(result).toBeNull();
|
||||
});
|
||||
});
|
||||
|
||||
describe('handleCVTag', () => {
|
||||
it('should parse .cv_loc directive', () => {
|
||||
const result = handler.handleCVTag('\t.cv_loc 1 2 42 5', context);
|
||||
expect(result).toEqual({
|
||||
file: '/path/to/header.h',
|
||||
line: 42,
|
||||
column: 5,
|
||||
});
|
||||
});
|
||||
|
||||
it('should parse .cv_loc directive without column', () => {
|
||||
const result = handler.handleCVTag('\t.cv_loc 1 1 23 0', context);
|
||||
expect(result).toEqual({
|
||||
file: '/path/to/source.cpp',
|
||||
line: 23,
|
||||
});
|
||||
});
|
||||
|
||||
it('should return null for non-matching lines', () => {
|
||||
const result = handler.handleCVTag('mov rax, rbx', context);
|
||||
expect(result).toBeNull();
|
||||
});
|
||||
});
|
||||
|
||||
describe('handle6502Debug', () => {
|
||||
it('should parse .dbg line directive', () => {
|
||||
const result = handler.handle6502Debug('\t.dbg line, "test.asm", 42', context);
|
||||
expect(result).toEqual({
|
||||
file: 'test.asm',
|
||||
line: 42,
|
||||
});
|
||||
});
|
||||
|
||||
it('should return null for .dbg line end directive', () => {
|
||||
const result = handler.handle6502Debug('\t.dbg line end', context);
|
||||
expect(result).toBeNull();
|
||||
});
|
||||
|
||||
it('should return null for non-matching lines', () => {
|
||||
const result = handler.handle6502Debug('mov rax, rbx', context);
|
||||
expect(result).toBeNull();
|
||||
});
|
||||
});
|
||||
|
||||
describe('handleStabs', () => {
|
||||
it('should handle stab type 68', () => {
|
||||
const result = handler.handleStabs('\t.stabn 68,0,42,.');
|
||||
expect(result).toEqual({
|
||||
file: null,
|
||||
line: 42,
|
||||
});
|
||||
});
|
||||
|
||||
it('should handle stab type 132', () => {
|
||||
const result = handler.handleStabs('\t.stabn 132,0,42,.');
|
||||
expect(result).toBeNull();
|
||||
});
|
||||
|
||||
it('should return undefined for non-matching lines', () => {
|
||||
const result = handler.handleStabs('mov rax, rbx');
|
||||
expect(result).toBeUndefined();
|
||||
});
|
||||
});
|
||||
|
||||
describe('processSourceLine', () => {
|
||||
it('should process source tag', () => {
|
||||
const result = handler.processSourceLine('\t.loc\t1 23 0', context);
|
||||
expect(result.source).toEqual({
|
||||
file: '/path/to/source.cpp',
|
||||
line: 23,
|
||||
});
|
||||
expect(result.resetPrevLabel).toBe(false);
|
||||
});
|
||||
|
||||
it('should return undefined for non-source lines', () => {
|
||||
const result = handler.processSourceLine('mov rax, rbx', context);
|
||||
expect(result.source).toBeUndefined();
|
||||
expect(result.resetPrevLabel).toBe(false);
|
||||
});
|
||||
});
|
||||
});
|
||||
@@ -36,6 +36,13 @@ import {AsmEWAVRParser} from '../lib/parsers/asm-parser-ewavr.js';
|
||||
import {SassAsmParser} from '../lib/parsers/asm-parser-sass.js';
|
||||
import {VcAsmParser} from '../lib/parsers/asm-parser-vc.js';
|
||||
import {AsmParser} from '../lib/parsers/asm-parser.js';
|
||||
|
||||
// Test helper class that extends AsmParser to allow setting protected properties for testing
|
||||
class AsmParserForTest extends AsmParser {
|
||||
setBinaryHideFuncReForTest(regex: RegExp | null) {
|
||||
this.binaryHideFuncRe = regex;
|
||||
}
|
||||
}
|
||||
import {CompilerProps, fakeProps} from '../lib/properties.js';
|
||||
import {CompilerInfo} from '../types/compiler.interfaces.js';
|
||||
import {ParseFiltersAndOutputOptions} from '../types/features/filters.interfaces.js';
|
||||
@@ -112,9 +119,11 @@ export function processAsm(filename: string, filters: ParseFiltersAndOutputOptio
|
||||
else if (filename.includes('cc65-')) parser = new CC65AsmParser(fakeProps({}));
|
||||
else if (filename.includes('ewarm-')) parser = new AsmEWAVRParser(fakeProps({}));
|
||||
else {
|
||||
parser = new AsmParser();
|
||||
parser.binaryHideFuncRe =
|
||||
/^(__.*|_(init|start|fini)|(de)?register_tm_clones|call_gmon_start|frame_dummy|\.plt.*|_dl_relocate_static_pie)$/;
|
||||
const testParser = new AsmParserForTest();
|
||||
testParser.setBinaryHideFuncReForTest(
|
||||
/^(__.*|_(init|start|fini)|(de)?register_tm_clones|call_gmon_start|frame_dummy|\.plt.*|_dl_relocate_static_pie)$/,
|
||||
);
|
||||
parser = testParser;
|
||||
}
|
||||
return parser.process(file, filters);
|
||||
}
|
||||
|
||||
@@ -27,11 +27,24 @@ import {beforeEach, describe, expect, it} from 'vitest';
|
||||
import {VcAsmParser} from '../lib/parsers/asm-parser-vc.js';
|
||||
import {AsmParser} from '../lib/parsers/asm-parser.js';
|
||||
|
||||
// Test helper class that extends VcAsmParser to expose protected properties for testing
|
||||
class VcAsmParserForTest extends VcAsmParser {
|
||||
getCommentOnlyRegexForTest() {
|
||||
return this.commentOnly;
|
||||
}
|
||||
|
||||
getDefinesFunctionRegexForTest() {
|
||||
return this.definesFunction;
|
||||
}
|
||||
}
|
||||
|
||||
describe('VcAsmParser', () => {
|
||||
let parser: VcAsmParser;
|
||||
let testParser: VcAsmParserForTest;
|
||||
|
||||
beforeEach(() => {
|
||||
parser = new VcAsmParser();
|
||||
testParser = new VcAsmParserForTest();
|
||||
});
|
||||
|
||||
describe('VC assembly processing functionality', () => {
|
||||
@@ -79,12 +92,14 @@ describe('VcAsmParser', () => {
|
||||
const indentedComment = ' ; Indented comment';
|
||||
const codeLine = 'mov eax, ebx';
|
||||
|
||||
const commentOnlyRegex = testParser.getCommentOnlyRegexForTest();
|
||||
|
||||
// VC commentOnly regex is /^;/ - only matches lines starting with ;
|
||||
expect(parser.commentOnly.test(commentLine)).toBe(true);
|
||||
expect(parser.commentOnly.test(codeLine)).toBe(false);
|
||||
expect(commentOnlyRegex.test(commentLine)).toBe(true);
|
||||
expect(commentOnlyRegex.test(codeLine)).toBe(false);
|
||||
|
||||
// VC regex doesn't match comments with leading whitespace
|
||||
expect(parser.commentOnly.test(indentedComment)).toBe(false);
|
||||
expect(commentOnlyRegex.test(indentedComment)).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
@@ -93,12 +108,14 @@ describe('VcAsmParser', () => {
|
||||
const procLine = '_function\tPROC';
|
||||
const nonProcLine = '_function:';
|
||||
|
||||
const definesFunctionRegex = testParser.getDefinesFunctionRegexForTest();
|
||||
|
||||
// Test the function definition regex directly
|
||||
expect(parser.definesFunction.test(procLine)).toBe(true);
|
||||
expect(parser.definesFunction.test(nonProcLine)).toBe(false);
|
||||
expect(definesFunctionRegex.test(procLine)).toBe(true);
|
||||
expect(definesFunctionRegex.test(nonProcLine)).toBe(false);
|
||||
|
||||
// Should extract function name
|
||||
const match = procLine.match(parser.definesFunction);
|
||||
const match = procLine.match(definesFunctionRegex);
|
||||
expect(match?.[1]).toBe('_function');
|
||||
});
|
||||
|
||||
|
||||
Reference in New Issue
Block a user