diff options
Diffstat (limited to 'node_modules/@babel/traverse/lib/scope/binding.js')
-rw-r--r-- | node_modules/@babel/traverse/lib/scope/binding.js | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/node_modules/@babel/traverse/lib/scope/binding.js b/node_modules/@babel/traverse/lib/scope/binding.js new file mode 100644 index 0000000..16911ef --- /dev/null +++ b/node_modules/@babel/traverse/lib/scope/binding.js @@ -0,0 +1,75 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = void 0; + +class Binding { + constructor({ + identifier, + scope, + path, + kind + }) { + this.identifier = void 0; + this.scope = void 0; + this.path = void 0; + this.kind = void 0; + this.constantViolations = []; + this.constant = true; + this.referencePaths = []; + this.referenced = false; + this.references = 0; + this.identifier = identifier; + this.scope = scope; + this.path = path; + this.kind = kind; + this.clearValue(); + } + + deoptValue() { + this.clearValue(); + this.hasDeoptedValue = true; + } + + setValue(value) { + if (this.hasDeoptedValue) return; + this.hasValue = true; + this.value = value; + } + + clearValue() { + this.hasDeoptedValue = false; + this.hasValue = false; + this.value = null; + } + + reassign(path) { + this.constant = false; + + if (this.constantViolations.indexOf(path) !== -1) { + return; + } + + this.constantViolations.push(path); + } + + reference(path) { + if (this.referencePaths.indexOf(path) !== -1) { + return; + } + + this.referenced = true; + this.references++; + this.referencePaths.push(path); + } + + dereference() { + this.references--; + this.referenced = !!this.references; + } + +} + +exports.default = Binding;
\ No newline at end of file |