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support bounded polymorphism in flow facebook/esprima#103

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This commit is contained in:
Sebastian McKenzie 2015-03-13 13:22:09 +11:00
parent ec131eaecc
commit d08d63b01d
2 changed files with 145 additions and 1 deletions
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2
acorn.js
View File

@ -4375,7 +4375,7 @@
expectRelational("<");
while (!isRelational(">")) {
node.params.push(parseIdent());
node.params.push(parseTypeAnnotatableIdentifier());
if (!isRelational(">")) {
expect(_comma);
}

144
test/tests-flow.js
View File

@ -10936,6 +10936,150 @@ var fbTestFixture = {
}
},
},
'Bounded Polymorphism': {
'class A<T: Foo> {}': {
type: 'ClassDeclaration',
id: {
type: 'Identifier',
name: 'A',
range: [6, 7],
loc: {
start: { line: 1, column: 6 },
end: { line: 1, column: 7 }
}
},
superClass: null,
body: {
type: 'ClassBody',
body: [],
range: [16, 18],
loc: {
start: { line: 1, column: 16 },
end: { line: 1, column: 18 }
}
},
typeParameters: {
type: 'TypeParameterDeclaration',
params: [{
type: 'Identifier',
name: 'T',
typeAnnotation: {
type: 'TypeAnnotation',
typeAnnotation: {
type: 'GenericTypeAnnotation',
id: {
type: 'Identifier',
name: 'Foo',
range: [11, 14],
loc: {
start: { line: 1, column: 11 },
end: { line: 1, column: 14 }
}
},
typeParameters: null,
range: [11, 14],
loc: {
start: { line: 1, column: 11 },
end: { line: 1, column: 14 }
}
},
range: [9, 14],
loc: {
start: { line: 1, column: 9 },
end: { line: 1, column: 14 }
}
},
range: [8, 14],
loc: {
start: { line: 1, column: 8 },
end: { line: 1, column: 14 }
}
}],
range: [7, 15],
loc: {
start: { line: 1, column: 7 },
end: { line: 1, column: 15 }
}
},
range: [0, 18],
loc: {
start: { line: 1, column: 0 },
end: { line: 1, column: 18 }
}
},
'function bar<T: ?number>() {}': {
type: 'FunctionDeclaration',
id: {
type: 'Identifier',
name: 'bar',
range: [9, 12],
loc: {
start: { line: 1, column: 9 },
end: { line: 1, column: 12 }
}
},
params: [],
defaults: [],
body: {
type: 'BlockStatement',
body: [],
range: [27, 29],
loc: {
start: { line: 1, column: 27 },
end: { line: 1, column: 29 }
}
},
rest: null,
generator: false,
expression: false,
typeParameters: {
type: 'TypeParameterDeclaration',
params: [{
type: 'Identifier',
name: 'T',
typeAnnotation: {
type: 'TypeAnnotation',
typeAnnotation: {
type: 'NullableTypeAnnotation',
typeAnnotation: {
type: 'NumberTypeAnnotation',
range: [17, 23],
loc: {
start: { line: 1, column: 17 },
end: { line: 1, column: 23 }
}
},
range: [16, 23],
loc: {
start: { line: 1, column: 16 },
end: { line: 1, column: 23 }
}
},
range: [14, 23],
loc: {
start: { line: 1, column: 14 },
end: { line: 1, column: 23 }
}
},
range: [13, 23],
loc: {
start: { line: 1, column: 13 },
end: { line: 1, column: 23 }
}
}],
range: [12, 24],
loc: {
start: { line: 1, column: 12 },
end: { line: 1, column: 24 }
}
},
range: [0, 29],
loc: {
start: { line: 1, column: 0 },
end: { line: 1, column: 29 }
}
},
},
};
if (typeof exports !== "undefined") {