visit ast

This commit is contained in:
Martin Aeschlimann 2019-12-16 23:13:14 +01:00
parent e53c9568f3
commit 2ca09d93aa
2 changed files with 73 additions and 13 deletions

View file

@ -14,12 +14,41 @@ export function getSemanticTokens(jsLanguageService: ts.LanguageService, current
let resultTokens: SemanticTokenData[] = [];
const tokens = jsLanguageService.getSemanticClassifications(fileName, { start: 0, length: currentTextDocument.getText().length });
for (let token of tokens) {
const typeIdx = tokenMapping[token.classificationType];
const typeIdx = tokenFromClassificationMapping[token.classificationType];
if (typeIdx !== undefined) {
resultTokens.push({ offset: token.textSpan.start, length: token.textSpan.length, typeIdx, modifierSet: 0 });
}
}
const program = jsLanguageService.getProgram();
if (program) {
const typeChecker = program.getTypeChecker();
function visit(node: ts.Node) {
if (node.kind === ts.SyntaxKind.Identifier) {
const symbol = typeChecker.getSymbolAtLocation(node);
if (symbol) {
let typeIdx = tokenFromDeclarationMapping[symbol.valueDeclaration.kind];
let modifierSet = 0;
if (symbol.valueDeclaration === node.parent) {
modifierSet = TokenModifier.declaration;
}
if (typeIdx !== undefined) {
resultTokens.push({ offset: node.pos, length: node.end - node.pos, typeIdx, modifierSet });
}
}
}
ts.forEachChild(node, visit);
}
const sourceFile = program.getSourceFile(fileName);
if (sourceFile) {
visit(sourceFile);
}
}
resultTokens = resultTokens.sort((d1, d2) => d1.offset - d2.offset);
const offsetRanges = ranges.map(r => ({ startOffset: currentTextDocument.offsetAt(r.start), endOffset: currentTextDocument.offsetAt(r.end) })).sort((d1, d2) => d1.startOffset - d2.startOffset);
@ -62,15 +91,45 @@ export function getSemanticTokenLegend() {
}
const tokenTypes: string[] = ['class', 'enum', 'interface', 'namespace', 'parameterType', 'type', 'parameter'];
const tokenModifiers: string[] = [];
const tokenTypes: string[] = ['class', 'enum', 'interface', 'namespace', 'parameterType', 'type', 'parameter', 'variable', 'property', 'constant', 'function'];
const tokenModifiers: string[] = ['declaration',];
const tokenMapping: { [name: string]: number } = {
[ts.ClassificationTypeNames.className]: tokenTypes.indexOf('class'),
[ts.ClassificationTypeNames.enumName]: tokenTypes.indexOf('enum'),
[ts.ClassificationTypeNames.interfaceName]: tokenTypes.indexOf('interface'),
[ts.ClassificationTypeNames.moduleName]: tokenTypes.indexOf('namespace'),
[ts.ClassificationTypeNames.typeParameterName]: tokenTypes.indexOf('parameterType'),
[ts.ClassificationTypeNames.typeAliasName]: tokenTypes.indexOf('type'),
[ts.ClassificationTypeNames.parameterName]: tokenTypes.indexOf('parameter')
enum TokenType {
'class' = 0,
'enum' = 1,
'interface' = 2,
'namespace' = 3,
'parameterType' = 4,
'type' = 5,
'parameter' = 6,
'variable' = 7,
'property' = 8,
'constant' = 9,
'function' = 10,
}
enum TokenModifier {
'declaration' = 0x01,
}
const tokenFromClassificationMapping: { [name: string]: TokenType } = {
[ts.ClassificationTypeNames.className]: TokenType.class,
[ts.ClassificationTypeNames.enumName]: TokenType.enum,
[ts.ClassificationTypeNames.interfaceName]: TokenType.interface,
[ts.ClassificationTypeNames.moduleName]: TokenType.namespace,
[ts.ClassificationTypeNames.typeParameterName]: TokenType.parameterType,
[ts.ClassificationTypeNames.typeAliasName]: TokenType.type,
[ts.ClassificationTypeNames.parameterName]: TokenType.parameter
};
const tokenFromDeclarationMapping: { [name: string]: TokenType } = {
[ts.SyntaxKind.VariableDeclaration]: TokenType.variable,
[ts.SyntaxKind.Parameter]: TokenType.parameter,
[ts.SyntaxKind.PropertyDeclaration]: TokenType.property,
[ts.SyntaxKind.ModuleDeclaration]: TokenType.namespace,
[ts.SyntaxKind.EnumDeclaration]: TokenType.enum,
[ts.SyntaxKind.EnumMember]: TokenType.property,
[ts.SyntaxKind.ClassDeclaration]: TokenType.property,
[ts.SyntaxKind.MethodDeclaration]: TokenType.function
};

View file

@ -381,12 +381,13 @@ function registerDefaultClassifications(): void {
registerTokenType('parameterType', nls.localize('parameterType', "Style for parameter types."), undefined, 'type');
registerTokenType('function', nls.localize('function', "Style for functions"), [['entity.name.function'], ['support.function']]);
registerTokenType('member', nls.localize('member', "Style for member"), [['entity.name.function'], ['support.function']]);
registerTokenType('macro', nls.localize('macro', "Style for macros."), undefined, 'function');
registerTokenType('variable', nls.localize('variable', "Style for variables."), [['variable'], ['entity.name.variable']]);
registerTokenType('constant', nls.localize('constant', "Style for constants."), undefined, 'variable');
registerTokenType('parameter', nls.localize('parameter', "Style for parameters."), undefined, 'variable');
registerTokenType('property', nls.localize('propertie', "Style for properties."), undefined, 'variable');
registerTokenType('property', nls.localize('property', "Style for properties."), undefined, 'variable');
registerTokenType('label', nls.localize('labels', "Style for labels. "), undefined);
@ -394,7 +395,7 @@ function registerDefaultClassifications(): void {
tokenClassificationRegistry.registerTokenModifier('declaration', nls.localize('declaration', "Style for all symbol declarations."), undefined);
tokenClassificationRegistry.registerTokenModifier('documentation', nls.localize('documentation', "Style to use for references in documentation."), undefined);
tokenClassificationRegistry.registerTokenModifier('member', nls.localize('member', "Style to use for member functions, variables (fields) and types."), undefined);
//tokenClassificationRegistry.registerTokenModifier('member', nls.localize('member', "Style to use for member functions, variables (fields) and types."), undefined);
tokenClassificationRegistry.registerTokenModifier('static', nls.localize('static', "Style to use for symbols that are static."), undefined);
tokenClassificationRegistry.registerTokenModifier('abstract', nls.localize('abstract', "Style to use for symbols that are abstract."), undefined);
tokenClassificationRegistry.registerTokenModifier('deprecated', nls.localize('deprecated', "Style to use for symbols that are deprecated."), undefined);