Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 50x 50x 50x 50x 11x 22x 55x 55x 109x 22x 22x 22x 22x 22x 22x 8x 8x 8x 8x 8x 8x 19x 19x 19x 19x 10x 10x 10x 10x 50x 109x 55x 21x 21x 21x 11x 11x 21x 21x 12x 7x 7x 21x 21x 5x 5x 21x 21x 5x 5x 21x 22x 10x | import { AstWalker } from './ast-walker.js';
import { NodeType } from './node-type.js';
import type { SpelNodeImpl } from '../ast/spel-node.js';
import { SpelExpressionParser } from '../spel-expression-parser.js';
import { VariableReference } from '../ast/reference/variable-reference.js';
import { PropertyOrFieldReference } from '../ast/reference/property-or-field-reference.js';
import { BeanReference } from '../ast/reference/bean-reference.js';
import { TypeReference } from '../ast/reference/type-reference.js';
export enum SpelReferenceKind {
VARIABLE = 'variable',
ROOT_PROPERTY = 'root_property',
THIS_PROPERTY = 'this_property',
BEAN = 'bean',
BEAN_FACTORY = 'bean_factory',
TYPE = 'type',
FUNCTION = 'function',
}
export interface SpelReference {
kind: SpelReferenceKind;
name: string;
path: string[];
startPos: number;
endPos: number;
nodeType: NodeType;
}
export namespace SpelReferenceExtractor {
export function extract(expression: string): SpelReference[] {
try {
const parser = new SpelExpressionParser();
const ast = parser.parseRaw(expression);
return extractFromAst(ast);
} catch {
return extractFallback(expression);
}
}
export function extractFromAst(root: SpelNodeImpl): SpelReference[] {
const refs: SpelReference[] = [];
AstWalker.walk(root, {
enterNode(node, ancestors) {
switch (node.nodeType) {
case NodeType.VARIABLE_REFERENCE: {
const varRef = node as unknown as VariableReference;
const name =
typeof varRef.getVariableName === 'function' ? varRef.getVariableName() : '';
const parent = ancestors[ancestors.length - 1];
const isFunction =
ancestors.length > 0 && parent?.nodeType === NodeType.METHOD_REFERENCE;
refs.push({
kind: isFunction ? SpelReferenceKind.FUNCTION : SpelReferenceKind.VARIABLE,
name,
path: [name],
startPos: node.startPos,
endPos: node.endPos,
nodeType: node.nodeType,
});
break;
}
case NodeType.PROPERTY_OR_FIELD_REFERENCE: {
const propRef = node as unknown as PropertyOrFieldReference;
const name = typeof propRef.getName === 'function' ? propRef.getName() : '';
const parent = ancestors[ancestors.length - 1];
const kind =
parent?.nodeType === NodeType.VARIABLE_REFERENCE
? SpelReferenceKind.ROOT_PROPERTY
: SpelReferenceKind.THIS_PROPERTY;
refs.push({
kind,
name,
path: [name],
startPos: node.startPos,
endPos: node.endPos,
nodeType: node.nodeType,
});
break;
}
case NodeType.BEAN_REFERENCE: {
const beanRef = node as unknown as BeanReference;
const name = typeof beanRef.getBeanName === 'function' ? beanRef.getBeanName() : '';
refs.push({
kind:
typeof beanRef.isFactory === 'function' && beanRef.isFactory()
? SpelReferenceKind.BEAN_FACTORY
: SpelReferenceKind.BEAN,
name,
path: [name],
startPos: node.startPos,
endPos: node.endPos,
nodeType: node.nodeType,
});
break;
}
case NodeType.TYPE_REFERENCE: {
const typeRef = node as unknown as TypeReference;
const name = typeof typeRef.getTypeName === 'function' ? typeRef.getTypeName() : '';
refs.push({
kind: SpelReferenceKind.TYPE,
name,
path: [name],
startPos: node.startPos,
endPos: node.endPos,
nodeType: node.nodeType,
});
break;
}
default:
break;
}
return true;
},
});
return refs;
}
function extractFallback(expression: string): SpelReference[] {
const refs: SpelReference[] = [];
// Regex capture groups are always populated when matched — non-null assertions are safe here.
const varRegex = /#(\w+(?:\.\w+)*)/g;
let match: RegExpExecArray | null;
while ((match = varRegex.exec(expression)) !== null) {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- regex capture group 1 always populated
const varName = match[1]!;
refs.push({
kind: SpelReferenceKind.VARIABLE,
name: varName,
path: varName.split('.'),
startPos: match.index,
endPos: match.index + match[0].length,
nodeType: NodeType.VARIABLE_REFERENCE,
});
}
const beanRegex = /@(\w+)/g;
while ((match = beanRegex.exec(expression)) !== null) {
if (match.index > 0 && expression[match.index - 1] === '&') continue;
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- regex capture group 1 always populated
const beanName = match[1]!;
refs.push({
kind: SpelReferenceKind.BEAN,
name: beanName,
path: [beanName],
startPos: match.index,
endPos: match.index + match[0].length,
nodeType: NodeType.BEAN_REFERENCE,
});
}
const factoryRegex = /&@(\w+)/g;
while ((match = factoryRegex.exec(expression)) !== null) {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- regex capture group 1 always populated
const factoryName = match[1]!;
refs.push({
kind: SpelReferenceKind.BEAN_FACTORY,
name: factoryName,
path: [factoryName],
startPos: match.index,
endPos: match.index + match[0].length,
nodeType: NodeType.BEAN_REFERENCE,
});
}
const typeRegex = /T\((\w+(?:\.\w+)*)\)/g;
while ((match = typeRegex.exec(expression)) !== null) {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- regex capture group 1 always populated
const typeName = match[1]!;
refs.push({
kind: SpelReferenceKind.TYPE,
name: typeName,
path: [typeName],
startPos: match.index,
endPos: match.index + match[0].length,
nodeType: NodeType.TYPE_REFERENCE,
});
}
return refs;
}
/** @internal — exported for testing the fallback regex paths */
export function _testExtractFallback(expression: string): SpelReference[] {
return extractFallback(expression);
}
}
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