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Code Cleanup

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- Eliminated Lexer.
This commit is contained in:
Paul Beckingham 2011-07-26 00:37:49 -04:00
parent 0c08b29e48
commit 9bf1ec2f7c
8 changed files with 5 additions and 989 deletions
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331
test/lexer.t.cpp
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@ -1,331 +0,0 @@
////////////////////////////////////////////////////////////////////////////////
// taskwarrior - a command line task list manager.
//
// Copyright 2006 - 2011, Paul Beckingham.
// All rights reserved.
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 2 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the
//
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA
// 02110-1301
// USA
//
////////////////////////////////////////////////////////////////////////////////
#include <Lexer.h>
#include <Context.h>
#include <test.h>
Context context;
////////////////////////////////////////////////////////////////////////////////
int main (int argc, char** argv)
{
UnitTest t (80);
std::string input = "This is a test.";
std::vector <std::string> tokens;
{
Lexer l (input);
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 8, "'This is a test.' -> 'This| |is| |a| |test|.'");
if (tokens.size () == 8)
{
t.is (tokens[0], "This", "'This is a test.' [0] -> 'This'");
t.is (tokens[1], " ", "'This is a test.' [1] -> ' '");
t.is (tokens[2], "is", "'This is a test.' [2] -> 'is'");
t.is (tokens[3], " ", "'This is a test.' [3] -> ' '");
t.is (tokens[4], "a", "'This is a test.' [4] -> 'a'");
t.is (tokens[5], " ", "'This is a test.' [5] -> ' '");
t.is (tokens[6], "test", "'This is a test.' [6] -> 'test'");
t.is (tokens[7], ".", "'This is a test.' [7] -> '.'");
}
else
{
t.skip ("'This is a test.' [0] -> 'This'");
t.skip ("'This is a test.' [1] -> ' '");
t.skip ("'This is a test.' [2] -> 'is'");
t.skip ("'This is a test.' [3] -> ' '");
t.skip ("'This is a test.' [4] -> 'a'");
t.skip ("'This is a test.' [5] -> ' '");
t.skip ("'This is a test.' [6] -> 'test'");
t.skip ("'This is a test.' [7] -> '.'");
}
input = "a12bcd345efgh6789";
{
Lexer l (input);
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 6, "'a12bcd345efgh6789' -> 'a|12|bcd|345|efgh|6789'");
if (tokens.size () == 6)
{
t.is (tokens[0], "a", "'a12bcd345efgh6789' [0] -> 'a'");
t.is (tokens[1], "12", "'a12bcd345efgh6789' [1] -> '12'");
t.is (tokens[2], "bcd", "'a12bcd345efgh6789' [2] -> 'bcd'");
t.is (tokens[3], "345", "'a12bcd345efgh6789' [3] -> '345'");
t.is (tokens[4], "efgh", "'a12bcd345efgh6789' [4] -> 'efgh'");
t.is (tokens[5], "6789", "'a12bcd345efgh6789' [5] -> '6789'");
}
else
{
t.skip ("'a12bcd345efgh6789' [0] -> 'a'");
t.skip ("'a12bcd345efgh6789' [1] -> '12'");
t.skip ("'a12bcd345efgh6789' [2] -> 'bcd'");
t.skip ("'a12bcd345efgh6789' [3] -> '345'");
t.skip ("'a12bcd345efgh6789' [4] -> 'efgh'");
t.skip ("'a12bcd345efgh6789' [5] -> '6789'");
}
// Let's throw some ugly Perl at it.
input = "my $variable_name = 'single string';";
{
Lexer l (input);
l.categorizeAsAlpha ('_');
l.coalesceQuoted (true);
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 9, "'my $variable_name = 'single string';' -> 'my| |$|variable_name| |=| |'|single string|'|;'");
if (tokens.size () == 9)
{
t.is (tokens[0], "my", "'my $variable_name = 'single string';' [0] -> 'my'");
t.is (tokens[1], " ", "'my $variable_name = 'single string';' [1] -> ' '");
t.is (tokens[2], "$", "'my $variable_name = 'single string';' [2] -> '$'");
t.is (tokens[3], "variable_name", "'my $variable_name = 'single string';' [3] -> 'variable_name'");
t.is (tokens[4], " ", "'my $variable_name = 'single string';' [4] -> ' '");
t.is (tokens[5], "=", "'my $variable_name = 'single string';' [5] -> '='");
t.is (tokens[6], " ", "'my $variable_name = 'single string';' [6] -> ' '");
t.is (tokens[7], "'single string'", "'my $variable_name = 'single string';' [8] -> ''single string''");
t.is (tokens[8], ";", "'my $variable_name = 'single string';' [10] -> ';'");
}
else
{
t.skip ("'my $variable_name = 'single string';' [0] -> 'my'");
t.skip ("'my $variable_name = 'single string';' [1] -> ' '");
t.skip ("'my $variable_name = 'single string';' [2] -> '$'");
t.skip ("'my $variable_name = 'single string';' [3] -> 'variable_name'");
t.skip ("'my $variable_name = 'single string';' [4] -> ' '");
t.skip ("'my $variable_name = 'single string';' [5] -> '='");
t.skip ("'my $variable_name = 'single string';' [6] -> ' '");
t.skip ("'my $variable_name = 'single string';' [8] -> ''single string''");
t.skip ("'my $variable_name = 'single string';' [10] -> ';'");
}
// Now exercise all the configurable coalescence.
input = "ab 12 'a'";
{
Lexer l (input);
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 8, "'ab 12 'a'' -> 'ab| | |12| |'|a|''");
if (tokens.size () == 8)
{
t.is (tokens[0], "ab", "'ab 12 'a'' [0] -> 'ab'");
t.is (tokens[1], " ", "'ab 12 'a'' [1] -> ' '");
t.is (tokens[2], " ", "'ab 12 'a'' [2] -> ' '");
t.is (tokens[3], "12", "'ab 12 'a'' [3] -> '12'");
t.is (tokens[4], " ", "'ab 12 'a'' [4] -> ' '");
t.is (tokens[5], "'", "'ab 12 'a'' [5] -> '''");
t.is (tokens[6], "a", "'ab 12 'a'' [6] -> 'a'");
t.is (tokens[7], "'", "'ab 12 'a'' [7] -> '''");
}
else
{
t.skip ("'ab 12 'a'' [0] -> 'ab'");
t.skip ("'ab 12 'a'' [1] -> ' '");
t.skip ("'ab 12 'a'' [2] -> ' '");
t.skip ("'ab 12 'a'' [3] -> '12'");
t.skip ("'ab 12 'a'' [4] -> ' '");
t.skip ("'ab 12 'a'' [5] -> '''");
t.skip ("'ab 12 'a'' [6] -> 'a'");
t.skip ("'ab 12 'a'' [7] -> '''");
}
{
Lexer l (input);
l.coalesceAlpha (false);
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 9, "'ab 12 'a'' -> 'a|b| | |12| |'|a|''");
if (tokens.size () == 9)
{
t.is (tokens[0], "a", "'ab 12 'a'' [0] -> 'a'");
t.is (tokens[1], "b", "'ab 12 'a'' [1] -> 'b'");
t.is (tokens[2], " ", "'ab 12 'a'' [2] -> ' '");
t.is (tokens[3], " ", "'ab 12 'a'' [3] -> ' '");
t.is (tokens[4], "12", "'ab 12 'a'' [4] -> '12'");
t.is (tokens[5], " ", "'ab 12 'a'' [5] -> ' '");
t.is (tokens[6], "'", "'ab 12 'a'' [6] -> '''");
t.is (tokens[7], "a", "'ab 12 'a'' [7] -> 'a'");
t.is (tokens[8], "'", "'ab 12 'a'' [8] -> '''");
}
else
{
t.skip ("'ab 12 'a'' [0] -> 'a'");
t.skip ("'ab 12 'a'' [1] -> 'b'");
t.skip ("'ab 12 'a'' [2] -> ' '");
t.skip ("'ab 12 'a'' [3] -> ' '");
t.skip ("'ab 12 'a'' [4] -> '12'");
t.skip ("'ab 12 'a'' [5] -> ' '");
t.skip ("'ab 12 'a'' [6] -> '''");
t.skip ("'ab 12 'a'' [7] -> 'a'");
t.skip ("'ab 12 'a'' [8] -> '''");
}
{
Lexer l (input);
l.coalesceDigits (false);
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 9, "'ab 12 'a'' -> 'ab| | |1|2| |'|a|''");
if (tokens.size () == 9)
{
t.is (tokens[0], "ab", "'ab 12 'a'' [0] -> 'ab'");
t.is (tokens[1], " ", "'ab 12 'a'' [1] -> ' '");
t.is (tokens[2], " ", "'ab 12 'a'' [2] -> ' '");
t.is (tokens[3], "1", "'ab 12 'a'' [3] -> '1'");
t.is (tokens[4], "2", "'ab 12 'a'' [4] -> '2'");
t.is (tokens[5], " ", "'ab 12 'a'' [5] -> ' '");
t.is (tokens[6], "'", "'ab 12 'a'' [6] -> '''");
t.is (tokens[7], "a", "'ab 12 'a'' [7] -> 'a'");
t.is (tokens[8], "'", "'ab 12 'a'' [8] -> '''");
}
else
{
t.skip ("'ab 12 'a'' [0] -> 'ab'");
t.skip ("'ab 12 'a'' [1] -> ' '");
t.skip ("'ab 12 'a'' [2] -> ' '");
t.skip ("'ab 12 'a'' [3] -> '1'");
t.skip ("'ab 12 'a'' [4] -> '2'");
t.skip ("'ab 12 'a'' [5] -> ' '");
t.skip ("'ab 12 'a'' [6] -> '''");
t.skip ("'ab 12 'a'' [7] -> 'a'");
t.skip ("'ab 12 'a'' [8] -> '''");
}
{
Lexer l (input);
l.coalesceQuoted (true);
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 6, "'ab 12 'a'' -> 'ab| | |12| |'a''");
if (tokens.size () == 6)
{
t.is (tokens[0], "ab", "'ab 12 'a'' [0] -> 'ab'");
t.is (tokens[1], " ", "'ab 12 'a'' [1] -> ' '");
t.is (tokens[2], " ", "'ab 12 'a'' [2] -> ' '");
t.is (tokens[3], "12", "'ab 12 'a'' [3] -> '12'");
t.is (tokens[4], " ", "'ab 12 'a'' [4] -> ' '");
t.is (tokens[5], "'a'", "'ab 12 'a'' [5] -> ''a''");
}
else
{
t.skip ("'ab 12 'a'' [0] -> 'ab'");
t.skip ("'ab 12 'a'' [1] -> ' '");
t.skip ("'ab 12 'a'' [2] -> ' '");
t.skip ("'ab 12 'a'' [3] -> '12'");
t.skip ("'ab 12 'a'' [4] -> ' '");
t.skip ("'ab 12 'a'' [5] -> ''a''");
}
{
Lexer l (input);
l.coalesceWhite (true);
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 7, "'ab 12 'a'' -> 'ab| |12| |'|a|''");
if (tokens.size () == 7)
{
t.is (tokens[0], "ab", "'ab 12 'a'' [0] -> 'ab'");
t.is (tokens[1], " ", "'ab 12 'a'' [1] -> ' '");
t.is (tokens[2], "12", "'ab 12 'a'' [2] -> '12'");
t.is (tokens[3], " ", "'ab 12 'a'' [3] -> ' '");
t.is (tokens[4], "'", "'ab 12 'a'' [4] -> '''");
t.is (tokens[5], "a", "'ab 12 'a'' [5] -> 'a'");
t.is (tokens[6], "'", "'ab 12 'a'' [6] -> '''");
}
else
{
t.skip ("'ab 12 'a'' [0] -> 'ab'");
t.skip ("'ab 12 'a'' [1] -> ' '");
t.skip ("'ab 12 'a'' [2] -> '12'");
t.skip ("'ab 12 'a'' [3] -> ' '");
t.skip ("'ab 12 'a'' [4] -> '''");
t.skip ("'ab 12 'a'' [5] -> 'a'");
t.skip ("'ab 12 'a'' [6] -> '''");
}
{
Lexer l (input);
l.skipWhitespace (true);
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 5, "'ab 12 'a'' -> 'ab|12|'|a|''");
if (tokens.size () == 5)
{
t.is (tokens[0], "ab", "'ab 12 'a'' [0] -> 'ab'");
t.is (tokens[1], "12", "'ab 12 'a'' [1] -> '12'");
t.is (tokens[2], "'", "'ab 12 'a'' [2] -> '''");
t.is (tokens[3], "a", "'ab 12 'a'' [3] -> 'a'");
t.is (tokens[4], "'", "'ab 12 'a'' [4] -> '''");
}
else
{
t.skip ("'ab 12 'a'' [0] -> 'ab'");
t.skip ("'ab 12 'a'' [1] -> '12'");
t.skip ("'ab 12 'a'' [2] -> '''");
t.skip ("'ab 12 'a'' [3] -> 'a'");
t.skip ("'ab 12 'a'' [4] -> '''");
}
// Special tokens
input = "a := 1";
{
Lexer l (input);
l.skipWhitespace (true);
l.specialToken (":=");
l.tokenize (tokens);
}
t.is (tokens.size (), (size_t) 3, "'a := 1' -> 'a|:=|1'");
if (tokens.size () == 3)
{
t.is (tokens[0], "a", "'a := 1' [0] -> 'a'");
t.is (tokens[1], ":=", "'a := 1' [1] -> ':='");
t.is (tokens[2], "1", "'a := 1' [2] -> '1'");
}
else
{
t.skip ("'a := 1' [0] -> 'a'");
t.skip ("'a := 1' [1] -> ':='");
t.skip ("'a := 1' [2] -> '1'");
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////