Merge pull request #1501 from Arnavion/no-emit
Add -noEmit compiler flag that skips the emit stage in ts.compile()
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6fed3e2601
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@ -54,6 +54,11 @@ module ts {
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paramType: Diagnostics.KIND,
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error: Diagnostics.Argument_for_module_option_must_be_commonjs_or_amd
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},
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{
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name: "noEmit",
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type: "boolean",
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description: Diagnostics.Do_not_emit_outputs,
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},
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{
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name: "noEmitOnError",
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type: "boolean",
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@ -380,6 +380,8 @@ module ts {
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Could_not_write_file_0_Colon_1: { code: 5033, category: DiagnosticCategory.Error, key: "Could not write file '{0}': {1}" },
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Option_mapRoot_cannot_be_specified_without_specifying_sourcemap_option: { code: 5038, category: DiagnosticCategory.Error, key: "Option mapRoot cannot be specified without specifying sourcemap option." },
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Option_sourceRoot_cannot_be_specified_without_specifying_sourcemap_option: { code: 5039, category: DiagnosticCategory.Error, key: "Option sourceRoot cannot be specified without specifying sourcemap option." },
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Option_noEmit_cannot_be_specified_with_option_out_or_outDir: { code: 5040, category: DiagnosticCategory.Error, key: "Option noEmit cannot be specified with option out or outDir." },
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Option_noEmit_cannot_be_specified_with_option_declaration: { code: 5041, category: DiagnosticCategory.Error, key: "Option noEmit cannot be specified with option declaration." },
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Concatenate_and_emit_output_to_single_file: { code: 6001, category: DiagnosticCategory.Message, key: "Concatenate and emit output to single file." },
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Generates_corresponding_d_ts_file: { code: 6002, category: DiagnosticCategory.Message, key: "Generates corresponding '.d.ts' file." },
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Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: DiagnosticCategory.Message, key: "Specifies the location where debugger should locate map files instead of generated locations." },
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@ -389,6 +391,7 @@ module ts {
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Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: DiagnosticCategory.Message, key: "Do not erase const enum declarations in generated code." },
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Do_not_emit_outputs_if_any_type_checking_errors_were_reported: { code: 6008, category: DiagnosticCategory.Message, key: "Do not emit outputs if any type checking errors were reported." },
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Do_not_emit_comments_to_output: { code: 6009, category: DiagnosticCategory.Message, key: "Do not emit comments to output." },
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Do_not_emit_outputs: { code: 6010, category: DiagnosticCategory.Message, key: "Do not emit outputs." },
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Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES6_experimental: { code: 6015, category: DiagnosticCategory.Message, key: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES6' (experimental)" },
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Specify_module_code_generation_Colon_commonjs_or_amd: { code: 6016, category: DiagnosticCategory.Message, key: "Specify module code generation: 'commonjs' or 'amd'" },
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Print_this_message: { code: 6017, category: DiagnosticCategory.Message, key: "Print this message." },
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@ -1616,6 +1616,14 @@
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"category": "Error",
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"code": 5039
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},
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"Option noEmit cannot be specified with option out or outDir.": {
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"category": "Error",
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"code": 5040
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},
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"Option noEmit cannot be specified with option declaration.": {
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"category": "Error",
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"code": 5041
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},
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"Concatenate and emit output to single file.": {
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"category": "Message",
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"code": 6001
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@ -1652,6 +1660,10 @@
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"category": "Message",
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"code": 6009
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},
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"Do not emit outputs.": {
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"category": "Message",
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"code": 6010
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},
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"Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES6' (experimental)": {
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"category": "Message",
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"code": 6015
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@ -5126,6 +5126,16 @@ module ts {
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commonSourceDirectory += directorySeparator;
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}
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}
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if (options.noEmit) {
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if (options.out || options.outDir) {
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errors.push(createCompilerDiagnostic(Diagnostics.Option_noEmit_cannot_be_specified_with_option_out_or_outDir));
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}
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if (options.declaration) {
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errors.push(createCompilerDiagnostic(Diagnostics.Option_noEmit_cannot_be_specified_with_option_declaration));
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}
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}
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}
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}
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}
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@ -296,6 +296,9 @@ module ts {
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if (checker.isEmitBlocked()) {
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exitStatus = EmitReturnStatus.AllOutputGenerationSkipped;
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}
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else if (compilerOptions.noEmit) {
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exitStatus = EmitReturnStatus.Succeeded;
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}
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else {
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var emitStart = new Date().getTime();
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var emitOutput = checker.emitFiles();
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@ -959,7 +959,7 @@ module ts {
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// Return code used by getEmitOutput function to indicate status of the function
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export enum EmitReturnStatus {
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Succeeded = 0, // All outputs generated as requested (.js, .map, .d.ts), no errors reported
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Succeeded = 0, // All outputs generated if requested (.js, .map, .d.ts), no errors reported
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AllOutputGenerationSkipped = 1, // No .js generated because of syntax errors, nothing generated
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JSGeneratedWithSemanticErrors = 2, // .js and .map generated with semantic errors
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DeclarationGenerationSkipped = 3, // .d.ts generation skipped because of semantic errors or declaration emitter specific errors; Output .js with semantic errors
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@ -1434,6 +1434,7 @@ module ts {
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locale?: string;
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mapRoot?: string;
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module?: ModuleKind;
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noEmit?: boolean;
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noEmitOnError?: boolean;
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noErrorTruncation?: boolean;
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noImplicitAny?: boolean;
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@ -34,7 +34,7 @@ declare var FourSlash;
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// Return code used by getEmitOutput function to indicate status of the function
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// It is a duplicate of the one in types.ts to expose it to testcases in fourslash
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enum EmitReturnStatus {
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Succeeded = 0, // All outputs generated as requested (.js, .map, .d.ts), no errors reported
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Succeeded = 0, // All outputs generated if requested (.js, .map, .d.ts), no errors reported
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AllOutputGenerationSkipped = 1, // No .js generated because of syntax errors, or compiler options errors, nothing generated
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JSGeneratedWithSemanticErrors = 2, // .js and .map generated with semantic errors
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DeclarationGenerationSkipped = 3, // .d.ts generation skipped because of semantic errors or declaration emitter specific errors; Output .js with semantic errors
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