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Separate concepts of hidden and auxiliary symbols

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This way, we can hide auxiliary symbols from library users,
but still allow them to use hidden symbols
This commit is contained in:
Max Brunsfeld 2014-02-19 13:05:54 -08:00
parent 49ad910474
commit acad97cfd2
13 changed files with 154 additions and 131 deletions
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11
spec/compiler/prepare_grammar_spec.cpp
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@ -1,5 +1,6 @@
#include "spec_helper.h"
#include "prepare_grammar/perform.h"
#include "rules/symbol.h"
START_TEST
@ -23,11 +24,11 @@ describe("preparing a grammar", []() {
AssertThat(result.first, Equals(Grammar("rule1", {
{ "rule1", seq({
aux_sym("token1"),
make_shared<Symbol>("token1", SymbolTypeAuxiliary),
seq({
sym("rule2"),
sym("rule3") }),
aux_sym("token1") }) }
make_shared<Symbol>("token1", SymbolTypeAuxiliary) }) }
})));
AssertThat(result.second, Equals(Grammar("", map<const string, const rule_ptr>(), {
@ -101,14 +102,14 @@ describe("preparing a grammar", []() {
AssertThat(result, Equals(Grammar("rule1", {
{ "rule1", seq({
sym("x"),
aux_sym("repeat_helper1"),
make_shared<Symbol>("repeat_helper1", SymbolTypeAuxiliary),
sym("y")
}) },
}, {
{ "repeat_helper1", choice({
seq({
seq({ sym("a"), sym("b") }),
aux_sym("repeat_helper1"),
make_shared<Symbol>("repeat_helper1", SymbolTypeAuxiliary),
}),
blank(),
}) }
@ -127,7 +128,7 @@ describe("preparing a grammar", []() {
AssertThat(result.first, Equals(Grammar("rule1", {
{ "rule1", seq({
sym("x"),
aux_sym("token1"),
make_shared<Symbol>("token1", SymbolTypeAuxiliary),
sym("y")
}) },
})));