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Represent character sets as sets of character ranges

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This commit is contained in:
Max Brunsfeld 2014-02-05 18:56:04 -08:00
parent 8cce11a52a
commit d3d25f2683
17 changed files with 551 additions and 499 deletions
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12
spec/compiler/rules/pattern_spec.cpp
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@ -22,9 +22,9 @@ describe("parsing pattern rules", []() {
AssertThat(
rule.to_rule_tree(),
EqualsPointer(seq({
character(CharClassWord),
character({ {'a', 'z'}, {'A', 'Z'} }),
character('-'),
character(CharClassDigit)
character({ {'0', '9'} })
})));
});
@ -49,24 +49,24 @@ describe("parsing pattern rules", []() {
});
it("parses character sets", []() {
Pattern rule("[abc]");
Pattern rule("[aAeE]");
AssertThat(
rule.to_rule_tree(),
EqualsPointer(character({ 'a', 'b', 'c' }, true)));
EqualsPointer(character({ 'a', 'A', 'e', 'E' })));
});
it("parses character ranges", []() {
Pattern rule("[12a-dA-D3]");
AssertThat(
rule.to_rule_tree(),
EqualsPointer(character({ '1', '2', CharacterRange({'a', 'd'}), CharacterRange({ 'A', 'D' }), '3' }, true)));
EqualsPointer(character({ {'1', '3'}, {'a', 'd'}, { 'A', 'D' }, })));
});
it("parses negated characters", []() {
Pattern rule("[^a\\d]");
AssertThat(
rule.to_rule_tree(),
EqualsPointer(character({ 'a', CharClassDigit }, false)));
EqualsPointer(character({ {'a'}, {'0', '9'} }, false)));
});
it("parses backslashes", []() {