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parser: Update from go tool yacc into goyacc #22

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Merged
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Sep 3, 2018
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parser: Update from go tool yacc into goyacc #22

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4 changes: 4 additions & 0 deletions parser/grammar_data_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,7 @@ var grammarTestData = []struct {
{"[1,]", "eval", "Expression(body=List(elts=[Num(n=1)], ctx=Load()))", nil, ""},
{"[1,2]", "eval", "Expression(body=List(elts=[Num(n=1), Num(n=2)], ctx=Load()))", nil, ""},
{"[1,2,]", "eval", "Expression(body=List(elts=[Num(n=1), Num(n=2)], ctx=Load()))", nil, ""},
{"[e for e in (1,2,3)]", "eval", "Expression(body=ListComp(elt=Name(id='e', ctx=Load()), generators=[comprehension(target=Name(id='e', ctx=Store()), iter=Tuple(elts=[Num(n=1), Num(n=2), Num(n=3)], ctx=Load()), ifs=[])]))", nil, ""},
{"( a for a in ab )", "eval", "Expression(body=GeneratorExp(elt=Name(id='a', ctx=Load()), generators=[comprehension(target=Name(id='a', ctx=Store()), iter=Name(id='ab', ctx=Load()), ifs=[])]))", nil, ""},
{"( a for a, in ab )", "eval", "Expression(body=GeneratorExp(elt=Name(id='a', ctx=Load()), generators=[comprehension(target=Tuple(elts=[Name(id='a', ctx=Store())], ctx=Store()), iter=Name(id='ab', ctx=Load()), ifs=[])]))", nil, ""},
{"( a for a, b in ab )", "eval", "Expression(body=GeneratorExp(elt=Name(id='a', ctx=Load()), generators=[comprehension(target=Tuple(elts=[Name(id='a', ctx=Store()), Name(id='b', ctx=Store())], ctx=Store()), iter=Name(id='ab', ctx=Load()), ifs=[])]))", nil, ""},
Expand Down Expand Up @@ -260,6 +261,9 @@ var grammarTestData = []struct {
{"a, b = *a", "exec", "Module(body=[Assign(targets=[Tuple(elts=[Name(id='a', ctx=Store()), Name(id='b', ctx=Store())], ctx=Store())], value=Starred(value=Name(id='a', ctx=Load()), ctx=Load()))])", nil, ""},
{"a = yield a", "exec", "Module(body=[Assign(targets=[Name(id='a', ctx=Store())], value=Yield(value=Name(id='a', ctx=Load())))])", nil, ""},
{"a.b = 1", "exec", "Module(body=[Assign(targets=[Attribute(value=Name(id='a', ctx=Load()), attr='b', ctx=Store())], value=Num(n=1))])", nil, ""},
{"[e for e in [1, 2, 3]] = 3", "exec", "", py.SyntaxError, "can't assign to list comprehension"},
{"{e for e in [1, 2, 3]} = 3", "exec", "", py.SyntaxError, "can't assign to set comprehension"},
{"{e: e**2 for e in [1, 2, 3]} = 3", "exec", "", py.SyntaxError, "can't assign to dict comprehension"},
{"f() = 1", "exec", "", py.SyntaxError, "can't assign to function call"},
{"lambda: x = 1", "exec", "", py.SyntaxError, "can't assign to lambda"},
{"(a + b) = 1", "exec", "", py.SyntaxError, "can't assign to operator"},
Expand Down
2 changes: 1 addition & 1 deletion parser/parser.go
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Expand Up @@ -7,5 +7,5 @@
// % go generate
// % go build

//go:generate go tool yacc -v y.output grammar.y
//go:generate goyacc -v y.output grammar.y
package parser
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