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Renamed Match to Result.

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yhirose 2015-02-13 21:43:50 -05:00
parent 4b2d2f8c36
commit 5976051070
1 changed files with 23 additions and 23 deletions
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46
peglib.h
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@ -351,9 +351,9 @@ private:
}; };
/* /*
* Match * Result
*/ */
struct Match struct Result
{ {
bool ret; bool ret;
size_t len; size_t len;
@ -362,12 +362,12 @@ struct Match
const std::string msg; const std::string msg;
}; };
Match success(size_t len, size_t choice = 0) { Result success(size_t len, size_t choice = 0) {
return Match{ true, len, choice, nullptr, std::string() }; return Result{ true, len, choice, nullptr, std::string() };
} }
Match fail(const char* ptr, std::string msg = std::string(), std::string name = std::string()) { Result fail(const char* ptr, std::string msg = std::string(), std::string name = std::string()) {
return Match{ false, 0, (size_t)-1, ptr, msg }; return Result{ false, 0, (size_t)-1, ptr, msg };
} }
/* /*
@ -377,7 +377,7 @@ class Ope
{ {
public: public:
virtual ~Ope() {}; virtual ~Ope() {};
virtual Match parse(const char* s, size_t l, Values& v) const = 0; virtual Result parse(const char* s, size_t l, Values& v) const = 0;
}; };
class Sequence : public Ope class Sequence : public Ope
@ -404,7 +404,7 @@ public:
Sequence(const std::vector<std::shared_ptr<Ope>>& opes) : opes_(opes) {} Sequence(const std::vector<std::shared_ptr<Ope>>& opes) : opes_(opes) {}
Sequence(std::vector<std::shared_ptr<Ope>>&& opes) : opes_(std::move(opes)) {} Sequence(std::vector<std::shared_ptr<Ope>>&& opes) : opes_(std::move(opes)) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
size_t i = 0; size_t i = 0;
for (const auto& ope : opes_) { for (const auto& ope : opes_) {
const auto& rule = *ope; const auto& rule = *ope;
@ -447,7 +447,7 @@ public:
PrioritizedChoice(const std::vector<std::shared_ptr<Ope>>& opes) : opes_(opes) {} PrioritizedChoice(const std::vector<std::shared_ptr<Ope>>& opes) : opes_(opes) {}
PrioritizedChoice(std::vector<std::shared_ptr<Ope>>&& opes) : opes_(std::move(opes)) {} PrioritizedChoice(std::vector<std::shared_ptr<Ope>>&& opes) : opes_(std::move(opes)) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
size_t id = 0; size_t id = 0;
for (const auto& ope : opes_) { for (const auto& ope : opes_) {
const auto& rule = *ope; const auto& rule = *ope;
@ -480,7 +480,7 @@ class ZeroOrMore : public Ope
public: public:
ZeroOrMore(const std::shared_ptr<Ope>& ope) : ope_(ope) {} ZeroOrMore(const std::shared_ptr<Ope>& ope) : ope_(ope) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
auto i = 0; auto i = 0;
while (l - i > 0) { while (l - i > 0) {
const auto& rule = *ope_; const auto& rule = *ope_;
@ -502,7 +502,7 @@ class OneOrMore : public Ope
public: public:
OneOrMore(const std::shared_ptr<Ope>& ope) : ope_(ope) {} OneOrMore(const std::shared_ptr<Ope>& ope) : ope_(ope) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
auto m = ope_->parse(s, l, v); auto m = ope_->parse(s, l, v);
if (!m.ret) { if (!m.ret) {
auto msg = m.msg; auto msg = m.msg;
@ -532,7 +532,7 @@ class Option : public Ope
public: public:
Option(const std::shared_ptr<Ope>& ope) : ope_(ope) {} Option(const std::shared_ptr<Ope>& ope) : ope_(ope) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
const auto& rule = *ope_; const auto& rule = *ope_;
auto m = rule.parse(s, l, v); auto m = rule.parse(s, l, v);
return success(m.ret ? m.len : 0); return success(m.ret ? m.len : 0);
@ -547,7 +547,7 @@ class AndPredicate : public Ope
public: public:
AndPredicate(const std::shared_ptr<Ope>& ope) : ope_(ope) {} AndPredicate(const std::shared_ptr<Ope>& ope) : ope_(ope) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
const auto& rule = *ope_; const auto& rule = *ope_;
auto m = rule.parse(s, l, v); auto m = rule.parse(s, l, v);
if (m.ret) { if (m.ret) {
@ -566,7 +566,7 @@ class NotPredicate : public Ope
public: public:
NotPredicate(const std::shared_ptr<Ope>& ope) : ope_(ope) {} NotPredicate(const std::shared_ptr<Ope>& ope) : ope_(ope) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
const auto& rule = *ope_; const auto& rule = *ope_;
auto m = rule.parse(s, l, v); auto m = rule.parse(s, l, v);
if (m.ret) { if (m.ret) {
@ -585,7 +585,7 @@ class LiteralString : public Ope
public: public:
LiteralString(const std::string& s) : lit_(s) {} LiteralString(const std::string& s) : lit_(s) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
auto i = 0u; auto i = 0u;
for (; i < lit_.size(); i++) { for (; i < lit_.size(); i++) {
if (i >= l || s[i] != lit_[i]) { if (i >= l || s[i] != lit_[i]) {
@ -604,7 +604,7 @@ class CharacterClass : public Ope
public: public:
CharacterClass(const std::string& chars) : chars_(chars) {} CharacterClass(const std::string& chars) : chars_(chars) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
// TODO: UTF8 support // TODO: UTF8 support
if (l < 1) { if (l < 1) {
return fail(s); return fail(s);
@ -636,7 +636,7 @@ class Character : public Ope
public: public:
Character(char ch) : ch_(ch) {} Character(char ch) : ch_(ch) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
// TODO: UTF8 support // TODO: UTF8 support
if (l < 1 || s[0] != ch_) { if (l < 1 || s[0] != ch_) {
return fail(s); return fail(s);
@ -651,7 +651,7 @@ private:
class AnyCharacter : public Ope class AnyCharacter : public Ope
{ {
public: public:
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
// TODO: UTF8 support // TODO: UTF8 support
if (l < 1) { if (l < 1) {
return fail(s); return fail(s);
@ -667,7 +667,7 @@ public:
Grouping(const std::shared_ptr<Ope>& ope) : ope_(ope) {} Grouping(const std::shared_ptr<Ope>& ope) : ope_(ope) {}
Grouping(const std::shared_ptr<Ope>& ope, std::function<void(const char* s, size_t l)> match) : ope_(ope), match_(match) {} Grouping(const std::shared_ptr<Ope>& ope, std::function<void(const char* s, size_t l)> match) : ope_(ope), match_(match) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
assert(ope_); assert(ope_);
const auto& rule = *ope_; const auto& rule = *ope_;
auto m = rule.parse(s, l, v); auto m = rule.parse(s, l, v);
@ -687,7 +687,7 @@ class WeakHolder : public Ope
public: public:
WeakHolder(const std::shared_ptr<Ope>& ope) : weak_(ope) {} WeakHolder(const std::shared_ptr<Ope>& ope) : weak_(ope) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
auto ope = weak_.lock(); auto ope = weak_.lock();
assert(ope); assert(ope);
const auto& rule = *ope; const auto& rule = *ope;
@ -745,7 +745,7 @@ public:
return *this; return *this;
} }
Match parse_with_match(const char* s, size_t l) const { Result parse_with_match(const char* s, size_t l) const {
Values v; Values v;
return holder_->parse(s, l, v); return holder_->parse(s, l, v);
} }
@ -807,7 +807,7 @@ private:
Holder(Definition* outer) Holder(Definition* outer)
: outer_(outer) {} : outer_(outer) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
if (!ope_) { if (!ope_) {
throw std::logic_error("Uninitialized definition ope was used..."); throw std::logic_error("Uninitialized definition ope was used...");
} }
@ -861,7 +861,7 @@ public:
: grammar_(grammar) : grammar_(grammar)
, name_(name) {} , name_(name) {}
Match parse(const char* s, size_t l, Values& v) const { Result parse(const char* s, size_t l, Values& v) const {
const auto& rule = *grammar_.at(name_).holder_; const auto& rule = *grammar_.at(name_).holder_;
return rule.parse(s, l, v); return rule.parse(s, l, v);
} }