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Fixed error report problems

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yhirose 2021-01-08 15:07:30 -05:00
parent 222466d07a
commit 8c68f4cff8
2 changed files with 6 additions and 11 deletions
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docs/native.wasm
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peglib.h
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@ -901,7 +901,6 @@ public:
count++; count++;
} }
auto save_error_pos = c.error_pos;
while (n - i > 0 && count < max_) { while (n - i > 0 && count < max_) {
c.push_capture_scope(); c.push_capture_scope();
auto se = scope_exit([&]() { c.pop_capture_scope(); }); auto se = scope_exit([&]() { c.pop_capture_scope(); });
@ -921,7 +920,6 @@ public:
vs.tokens.erase(vs.tokens.begin() + vs.tokens.erase(vs.tokens.begin() +
static_cast<std::ptrdiff_t>(save_tok_size)); static_cast<std::ptrdiff_t>(save_tok_size));
} }
c.error_pos = save_error_pos;
break; break;
} }
i += len; i += len;
@ -987,7 +985,6 @@ public:
size_t parse_core(const char *s, size_t n, SemanticValues & /*vs*/, size_t parse_core(const char *s, size_t n, SemanticValues & /*vs*/,
Context &c, std::any &dt) const override { Context &c, std::any &dt) const override {
auto save_error_pos = c.error_pos;
auto &chldsv = c.push(); auto &chldsv = c.push();
c.push_capture_scope(); c.push_capture_scope();
auto se = scope_exit([&]() { auto se = scope_exit([&]() {
@ -999,7 +996,6 @@ public:
c.set_error_pos(s); c.set_error_pos(s);
return static_cast<size_t>(-1); return static_cast<size_t>(-1);
} else { } else {
c.error_pos = save_error_pos;
return 0; return 0;
} }
} }
@ -2104,6 +2100,11 @@ private:
enablePackratParsing, tracer_enter, tracer_leave); enablePackratParsing, tracer_enter, tracer_leave);
auto len = ope->parse(s, n, vs, cxt, dt); auto len = ope->parse(s, n, vs, cxt, dt);
if (success(len)) {
cxt.error_pos = nullptr;
cxt.message_pos = nullptr;
cxt.message.clear();
}
return Result{success(len), len, cxt.error_pos, cxt.message_pos, return Result{success(len), len, cxt.error_pos, cxt.message_pos,
cxt.message}; cxt.message};
} }
@ -2417,8 +2418,6 @@ inline size_t PrecedenceClimbing::parse_expression(const char *s, size_t n,
}; };
auto action_se = scope_exit([&]() { rule.action = std::move(action); }); auto action_se = scope_exit([&]() { rule.action = std::move(action); });
auto save_error_pos = c.error_pos;
auto i = len; auto i = len;
while (i < n) { while (i < n) {
std::vector<std::any> save_values(vs.begin(), vs.end()); std::vector<std::any> save_values(vs.begin(), vs.end());
@ -2428,10 +2427,7 @@ inline size_t PrecedenceClimbing::parse_expression(const char *s, size_t n,
auto chl = binop_->parse(s + i, n - i, chv, c, dt); auto chl = binop_->parse(s + i, n - i, chv, c, dt);
c.pop(); c.pop();
if (fail(chl)) { if (fail(chl)) { break; }
c.error_pos = save_error_pos;
break;
}
auto it = info_.find(tok); auto it = info_.find(tok);
if (it == info_.end()) { break; } if (it == info_.end()) { break; }
@ -2454,7 +2450,6 @@ inline size_t PrecedenceClimbing::parse_expression(const char *s, size_t n,
if (fail(chl)) { if (fail(chl)) {
vs.assign(save_values.begin(), save_values.end()); vs.assign(save_values.begin(), save_values.end());
vs.tokens = save_tokens; vs.tokens = save_tokens;
c.error_pos = save_error_pos;
break; break;
} }