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Make repeat rules left-recursive instead of right recursive

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This commit is contained in:
Max Brunsfeld 2016-04-18 12:40:14 -07:00
parent 0ea2962fbe
commit cf19b2e58d
2 changed files with 21 additions and 21 deletions
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34
spec/compiler/prepare_grammar/expand_repeats_spec.cc
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@ -19,9 +19,9 @@ describe("expand_repeats", []() {
AssertThat(result.variables, Equals(vector<Variable>({
Variable("rule0", VariableTypeNamed, i_sym(1)),
Variable("rule0_repeat1", VariableTypeAuxiliary, seq({
Variable("rule0_repeat1", VariableTypeAuxiliary, choice({
seq({ i_sym(1), i_token(0) }),
i_token(0),
choice({ i_sym(1), blank() })
})),
})));
});
@ -41,9 +41,9 @@ describe("expand_repeats", []() {
i_token(10),
i_sym(1),
})),
Variable("rule0_repeat1", VariableTypeAuxiliary, seq({
i_token(11),
choice({ i_sym(1), blank() })
Variable("rule0_repeat1", VariableTypeAuxiliary, choice({
seq({ i_sym(1), i_token(11) }),
i_token(11)
})),
})));
});
@ -63,9 +63,9 @@ describe("expand_repeats", []() {
i_token(10),
i_sym(1),
})),
Variable("rule0_repeat1", VariableTypeAuxiliary, seq({
Variable("rule0_repeat1", VariableTypeAuxiliary, choice({
seq({ i_sym(1), i_token(11) }),
i_token(11),
choice({ i_sym(1), blank() }),
})),
})));
});
@ -93,9 +93,9 @@ describe("expand_repeats", []() {
i_token(3),
i_sym(2),
})),
Variable("rule0_repeat1", VariableTypeAuxiliary, seq({
Variable("rule0_repeat1", VariableTypeAuxiliary, choice({
seq({ i_sym(2), i_token(4) }),
i_token(4),
choice({ i_sym(2), blank() }),
})),
})));
});
@ -115,13 +115,13 @@ describe("expand_repeats", []() {
i_sym(1),
i_sym(2),
})),
Variable("rule0_repeat1", VariableTypeAuxiliary, seq({
Variable("rule0_repeat1", VariableTypeAuxiliary, choice({
seq({ i_sym(1), i_token(10) }),
i_token(10),
choice({ i_sym(1), blank() }),
})),
Variable("rule0_repeat2", VariableTypeAuxiliary, seq({
Variable("rule0_repeat2", VariableTypeAuxiliary, choice({
seq({ i_sym(2), i_token(11) }),
i_token(11),
choice({ i_sym(2), blank() }),
})),
})));
});
@ -137,13 +137,13 @@ describe("expand_repeats", []() {
AssertThat(result.variables, Equals(vector<Variable>({
Variable("rule0", VariableTypeNamed, i_sym(2)),
Variable("rule1", VariableTypeNamed, i_sym(3)),
Variable("rule0_repeat1", VariableTypeAuxiliary, seq({
Variable("rule0_repeat1", VariableTypeAuxiliary, choice({
seq({ i_sym(2), i_token(10) }),
i_token(10),
choice({ i_sym(2), blank() }),
})),
Variable("rule1_repeat1", VariableTypeAuxiliary, seq({
Variable("rule1_repeat1", VariableTypeAuxiliary, choice({
seq({ i_sym(3), i_token(11) }),
i_token(11),
choice({ i_sym(3), blank() })
})),
})));
});