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Grammar: Diagnostics now controlled by ::debug

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This commit is contained in:
Paul Beckingham 2015-12-26 14:37:43 -05:00
parent 3829415d19
commit 63df5ba992
1 changed files with 10 additions and 0 deletions
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10
src/Grammar.cpp
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@ -28,6 +28,7 @@
#include <Grammar.h>
#include <Lexer.h>
#include <text.h>
#include <iostream>
#include <sstream>
////////////////////////////////////////////////////////////////////////////////
@ -134,6 +135,9 @@ void Grammar::loadFromString (const std::string& input)
rule_name = "";
}
if (_debug)
std::cout << dump () << "\n";
// Validate the parsed grammar.
validate ();
}
@ -228,6 +232,9 @@ std::string Grammar::dump () const
////////////////////////////////////////////////////////////////////////////////
void Grammar::validate () const
{
if (_debug)
std::cout << "Validating...\n";
if (_start == "")
throw std::string ("There are no rules defined.");
@ -280,6 +287,9 @@ void Grammar::validate () const
for (auto& nu : notUsed)
if (nu != _start)
throw format ("Definition '{1}' is defined, but not referenced.", nu);
if (_debug)
std::cout << "Validated\n";
}
////////////////////////////////////////////////////////////////////////////////