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Fix #118

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yhirose 2020-06-20 12:20:52 +00:00
parent 8e890ced7f
commit aefeb3ae35
2 changed files with 20 additions and 1 deletions
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2
CMakeLists.txt
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@ -26,7 +26,7 @@ set(CMAKE_CXX_EXTENSIONS OFF)
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Weverything -Wno-c++98-compat -Wno-padded -Wno-weak-vtables -Wno-exit-time-destructors -Wno-c++2a-compat -Wno-switch-enum -Wno-c++98-compat-pedantic")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wpedantic -Wextra")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wpedantic -Wextra -Woverloaded-virtual")
elseif(MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4 /wd4503 /wd4512 /utf-8")
endif()

19
peglib.h
View File

@ -1706,6 +1706,7 @@ struct Ope::Visitor {
};
struct IsReference : public Ope::Visitor {
using Ope::Visitor::visit;
void visit(Reference & /*ope*/) override { is_reference = true; }
bool is_reference = false;
};
@ -1741,6 +1742,8 @@ struct TraceOpeName : public Ope::Visitor {
};
struct AssignIDToDefinition : public Ope::Visitor {
using Ope::Visitor::visit;
void visit(Sequence &ope) override {
for (auto op : ope.opes_) {
op->accept(*this);
@ -1768,6 +1771,8 @@ struct AssignIDToDefinition : public Ope::Visitor {
};
struct IsLiteralToken : public Ope::Visitor {
using Ope::Visitor::visit;
void visit(PrioritizedChoice &ope) override {
for (auto op : ope.opes_) {
if (!IsLiteralToken::check(*op)) { return; }
@ -1789,6 +1794,8 @@ private:
};
struct TokenChecker : public Ope::Visitor {
using Ope::Visitor::visit;
void visit(Sequence &ope) override {
for (auto op : ope.opes_) {
op->accept(*this);
@ -1883,6 +1890,8 @@ private:
};
struct HasEmptyElement : public Ope::Visitor {
using Ope::Visitor::visit;
HasEmptyElement(std::list<std::pair<const char *, std::string>> &refs)
: refs_(refs) {}
@ -1945,6 +1954,8 @@ private:
};
struct DetectInfiniteLoop : public Ope::Visitor {
using Ope::Visitor::visit;
DetectInfiniteLoop(const char *s, const std::string &name) {
refs_.emplace_back(s, name);
}
@ -1995,6 +2006,8 @@ private:
};
struct ReferenceChecker : public Ope::Visitor {
using Ope::Visitor::visit;
ReferenceChecker(const Grammar &grammar,
const std::vector<std::string> &params)
: grammar_(grammar), params_(params) {}
@ -2031,6 +2044,8 @@ private:
};
struct LinkReferences : public Ope::Visitor {
using Ope::Visitor::visit;
LinkReferences(Grammar &grammar, const std::vector<std::string> &params)
: grammar_(grammar), params_(params) {}
@ -2063,6 +2078,8 @@ private:
};
struct FindReference : public Ope::Visitor {
using Ope::Visitor::visit;
FindReference(const std::vector<std::shared_ptr<Ope>> &args,
const std::vector<std::string> &params)
: args_(args), params_(params) {}
@ -2140,6 +2157,8 @@ private:
};
struct IsPrioritizedChoice : public Ope::Visitor {
using Ope::Visitor::visit;
void visit(PrioritizedChoice & /*ope*/) override { result_ = true; }
static bool check(Ope &ope) {