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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 21800x 21800x 21800x 21800x 1x 10909x 10909x 10909x 10909x 10909x 10909x 10909x 10909x 10909x 10909x 10909x 32494x 32494x 32494x 32494x 32494x 32494x 32494x 32494x 10909x 10909x 10354x 10354x 10909x 10909x 276x 276x 276x 276x 10909x 10909x 258x 258x 10909x 10909x 397x 20x 397x 2x 2x 375x 375x 397x 12x 12x 363x 363x 363x 363x 397x 27x 27x 336x 336x 336x 397x 704x 704x 336x 336x 336x 10909x 10909x 1838x 1838x 1838x 277x 277x 1561x 1838x 614x 6x 6x 6x 6x 3x 3x 6x 6x 6x 6x 6x 6x 614x 608x 1125x 1125x 608x 1838x 947x 59x 947x 59x 888x 17x 17x 17x 1x 1x 829x 17x 812x 14x 14x 14x 14x 13x 14x 1x 1x 1x 1x 14x 14x 795x 1x 781x 780x 780x 947x 1838x 1838x 10909x 10909x 10909x 10909x 16x 7x 7x 7x 16x 10909x 10909x 780x 780x 780x 780x 780x 536x 536x 536x 536x 7x 7x 2x 2x 7x 536x 780x 10909x 10909x 6x 6x 4x 4x 4x 4x 4x 4x 6x 10909x 10909x 59x 59x 59x 59x 59x 59x 59x 59x 59x 59x 59x 59x 59x 59x 59x 59x 59x 10909x 10909x 34x 1x 1x 33x 33x 34x 34x 33x 33x 34x 34x 2x 2x 31x 31x 34x 34x 34x 10909x 10909x 276x 276x 276x 455x 298x 298x 455x 455x 48x 48x 109x 455x 455x 276x 10909x 10909x 363x 363x 363x 380x 253x 18x 18x 253x 380x 363x 10909x 10909x | import {Issue} from "../issue"; import {ABAPRule} from "./_abap_rule"; import {BasicRuleConfig} from "./_basic_rule_config"; import * as Statements from "../abap/2_statements/statements"; import * as Expressions from "../abap/2_statements/expressions"; import * as Structures from "../abap/3_structures/structures"; import {IRuleMetadata, RuleTag} from "./_irule"; import {ABAPFile} from "../abap/abap_file"; import {StatementNode, StructureNode} from "../abap/nodes"; import {IRegistry} from "../_iregistry"; import {Class, Program} from "../objects"; import {DDIC} from "../ddic"; import {SyntaxLogic} from "../abap/5_syntax/syntax"; import {ABAPObject} from "../objects/_abap_object"; import {ISyntaxResult} from "../abap/5_syntax/_spaghetti_scope"; import {ReferenceType} from "../abap/5_syntax/_reference"; import {MethodDefinition} from "../abap/types"; export class UncaughtExceptionConf extends BasicRuleConfig { public reportDynamic = false; public reportNoCheck = false; } export class UncaughtException extends ABAPRule { private conf = new UncaughtExceptionConf(); private globalExceptions: {[index: string]: string | undefined}; private localExceptions: {[index: string]: string | undefined}; private issues: Issue[] = []; private sinked: string[] | undefined; private syntax: ISyntaxResult; public getMetadata(): IRuleMetadata { return { key: "uncaught_exception", title: "Uncaught Exception", shortDescription: `Checks for uncaught static exception`, extendedInformation: `Does not report any issues if the code contains syntax errors`, tags: [RuleTag.Syntax], }; } public getConfig() { return this.conf; } public initialize(reg: IRegistry) { super.initialize(reg); this.findGlobalExceptions(); return this; } public setConfig(conf: UncaughtExceptionConf) { this.conf = conf; } public runParsed(file: ABAPFile, obj: ABAPObject) { if (obj.getType() === "INTF") { // nothing can be raised in interfaces return []; } if (obj instanceof Program && obj.isInclude() === true) { return []; } const stru = file.getStructure(); if (stru === undefined) { return []; } this.findLocalExceptions(obj); this.syntax = new SyntaxLogic(this.reg, obj).run(); if (this.syntax.issues.length > 0) { return []; } this.issues = []; this.sinked = undefined; for (const c of stru.getChildren()) { this.traverse(c, file); } return this.issues; } private traverse(n: StructureNode | StatementNode, file: ABAPFile) { const get = n.get(); if (get instanceof Structures.ClassDefinition || get instanceof Structures.Interface) { return; // to optimize performance } if (n instanceof StructureNode) { if (get instanceof Structures.Try) { // note that TRY-CATCH might be arbitrarily nested const previous = this.sinked ? this.sinked.slice() : undefined; this.addFromTryStructure(n); for (const c of n.findDirectStructure(Structures.Body)?.getChildren() || []) { this.traverse(c, file); } this.sinked = previous; for (const c of n.findDirectStructure(Structures.Catch)?.getChildren() || []) { this.traverse(c, file); } for (const c of n.findDirectStructure(Structures.Cleanup)?.getChildren() || []) { this.traverse(c, file); } return; } else { for (const c of n.getChildren()) { this.traverse(c, file); } } } else if (n instanceof StatementNode) { if (get instanceof Statements.MethodImplementation) { this.setSinkedFromMethod(n, file); } else if (get instanceof Statements.EndMethod) { this.sinked = undefined; // back to top level } else if (get instanceof Statements.Form) { this.sinked = []; const raising = n.findDirectExpression(Expressions.FormRaising); for (const c of raising?.findAllExpressions(Expressions.ClassName) || []) { this.sinked.push(c.concatTokens().toUpperCase()); } } else if (get instanceof Statements.EndForm) { this.sinked = undefined; // back to top level } else if (get instanceof Statements.Raise) { let name: string | undefined = undefined; const concat = n.concatTokens().toUpperCase(); if (concat.startsWith("RAISE EXCEPTION TYPE ")) { name = n.findFirstExpression(Expressions.ClassName)?.getFirstToken().getStr().toUpperCase(); } else if (concat.startsWith("RAISE EXCEPTION NEW ")) { name = n.findFirstExpression(Expressions.NewObject)?.findFirstExpression( Expressions.TypeNameOrInfer)?.getFirstToken().getStr().toUpperCase(); // todo: else its a normal Source, infer the type from it } this.check(name, n, file); } else if (get instanceof Statements.Perform) { // todo, PERFORM, or is this not statically checked? } else { this.checkForMethodCalls(n, file); } } } //////////////////////////////// private check(name: string | undefined, n: StatementNode, file: ABAPFile) { if (this.isSinked(name) === false) { const issue = Issue.atStatement(file, n, "Uncaught exception " + name, this.getMetadata().key, this.getConfig().severity); this.issues.push(issue); } } private checkForMethodCalls(n: StatementNode, file: ABAPFile) { const start = n.getFirstToken().getStart(); const end = n.getLastToken().getEnd(); const scope = this.syntax.spaghetti.lookupPosition(start, file.getFilename()); for (const r of scope?.getData().references || []) { if (r.referenceType === ReferenceType.MethodReference && r.position.getStart().isAfter(start) && r.position.getEnd().isBefore(end) && r.resolved instanceof MethodDefinition) { for (const name of r.resolved.getRaising()) { this.check(name, n, file); } } } } private addFromTryStructure(s: StructureNode) { if (this.sinked === undefined) { return; } for (const structure of s.findDirectStructures(Structures.Catch)) { const c = structure.findDirectStatement(Statements.Catch); if (c === undefined) { continue; } for (const cn of c.findDirectExpressions(Expressions.ClassName)) { this.sinked.push(cn.concatTokens()); } } } private setSinkedFromMethod(s: StatementNode, file: ABAPFile) { this.sinked = []; const scope = this.syntax.spaghetti.lookupPosition(s.getLastToken().getEnd(), file.getFilename()); let def: MethodDefinition | undefined = undefined; for (const r of scope?.getData().references || []) { // there should be only one, so the first is okay if (r.referenceType === ReferenceType.MethodImplementationReference && r.resolved instanceof MethodDefinition) { def = r.resolved; break; } } if (def === undefined) { return; // this should not occur, so just report everything as errors } def.getRaising().forEach(r => this.sinked?.push(r)); } private isSinked(name: string | undefined): boolean { if (this.sinked === undefined || name === undefined) { return true; } const sup = this.globalExceptions[name.toUpperCase()]; if (sup === "CX_DYNAMIC_CHECK" && this.getConfig().reportDynamic !== true) { return true; } if (sup === "CX_NO_CHECK" && this.getConfig().reportNoCheck !== true) { return true; } const lsup = this.localExceptions[name.toUpperCase()]; if (lsup === "CX_DYNAMIC_CHECK" && this.getConfig().reportDynamic !== true) { return true; } if (lsup === "CX_NO_CHECK" && this.getConfig().reportNoCheck !== true) { return true; } return this.sinked.some(a => a.toUpperCase() === name.toUpperCase()) || ( sup !== undefined && this.isSinked(sup) === true ) || ( lsup !== undefined && this.isSinked(lsup) === true ); } private findGlobalExceptions() { this.globalExceptions = {}; const ddic = new DDIC(this.reg); for (const o of this.reg.getObjects()) { if (!(o instanceof Class)) { continue; } const def = o.getMainABAPFile()?.getInfo().getClassDefinitionByName(o.getName()); if (def === undefined || ddic.isException(def, o) === false) { continue; } this.globalExceptions[o.getName().toUpperCase()] = def.superClassName?.toUpperCase(); } } private findLocalExceptions(obj: ABAPObject) { this.localExceptions = {}; for (const file of obj.getABAPFiles()) { for (const def of file.getInfo().listClassDefinitions()) { if (def.isLocal === true && def.superClassName !== undefined) { this.localExceptions[def.name.toUpperCase()] = def.superClassName?.toUpperCase(); } } } } } |