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Rename RENAME rule to ALIAS, allow it to create anonymous nodes

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This commit is contained in:
Max Brunsfeld 2017-07-31 11:45:24 -07:00
parent b5f421cafb
commit cb5fe80348
28 changed files with 304 additions and 270 deletions
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18
src/compiler/rules/metadata.cc
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@ -9,6 +9,20 @@ namespace rules {
using std::move;
using std::string;
bool Alias::operator==(const Alias &other) const {
return value == other.value && is_named == other.is_named;
}
bool Alias::operator!=(const Alias &other) const {
return !operator==(other);
}
bool Alias::operator<(const Alias &other) const {
if (value < other.value) return true;
if (other.value < value) return false;
return is_named < other.is_named;
}
Metadata::Metadata(const Rule &rule, MetadataParams params) :
rule(std::make_shared<Rule>(rule)), params(params) {}
@ -77,9 +91,9 @@ Metadata Metadata::main_token(const Rule &rule) {
return Metadata{rule, params};
}
Metadata Metadata::rename(string &&name, const Rule &rule) {
Metadata Metadata::alias(string &&value, bool is_named, const Rule &rule) {
MetadataParams params;
params.name_replacement = move(name);
params.alias = {move(value), is_named};
return Metadata{rule, params};
}