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livecode/lcidlc/src/Coder.cpp at develop · livecodeali/livecode · GitHub
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/*
Copyright (C) 2013-2015 LiveCode Ltd.
This file is part of LiveCode.
LiveCode is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License v3 as published by the Free
Software Foundation.
LiveCode 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 LiveCode. If not see <http://www.gnu.org/licenses/>.
*/
/*
* Coder.cpp
* lcidlc
*
* Created by Mark Waddingham on 27/07/2013.
*
*/
#
include
<
stdio.h
>
#
include
"
foundation.h
"
#
include
"
Coder.h
"
struct
Coder
{
FILE
*stream;
uint32_t
depth;
bool
padded;
};
static
void
CoderIndent
(CoderRef self)
{
const
char
*s_tabs =
"
\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
"
;
fprintf
(self -> stream,
"
%.*s
"
, self -> depth >
32
?
32
: self -> depth, s_tabs);
}
bool
CoderStart
(
const
char
*p_filename, CoderRef& r_coder)
{
bool
t_success;
t_success =
true
;
CoderRef self;
self = nil;
if
(t_success)
t_success =
MCMemoryNew
(self);
if
(t_success)
{
self -> stream =
fopen
(p_filename,
"
w
"
);
if
(self -> stream == nil)
t_success =
false
;
}
if
(t_success)
{
self -> depth =
0
;
r_coder = self;
}
else
MCMemoryDelete
(self);
return
t_success;
}
bool
CoderFinish
(CoderRef self)
{
fclose
(self -> stream);
MCMemoryDelete
(self);
return
true
;
}
void
CoderCancel
(CoderRef self)
{
CoderFinish
(self);
}
void
CoderWriteLine
(CoderRef self,
const
char
*p_format, ...)
{
va_list t_args;
va_start
(t_args, p_format);
vfprintf
(self -> stream, p_format, t_args);
va_end
(t_args);
fprintf
(self -> stream,
"
\n
"
);
self -> padded =
false
;
}
void
CoderWrite
(CoderRef self,
const
char
*p_format, ...)
{
va_list t_args;
va_start
(t_args, p_format);
vfprintf
(self -> stream, p_format, t_args);
va_end
(t_args);
}
void
CoderWriteStatement
(CoderRef self,
const
char
*p_format, ...)
{
CoderBeginStatement
(self);
va_list t_args;
va_start
(t_args, p_format);
vfprintf
(self -> stream, p_format, t_args);
va_end
(t_args);
CoderEndStatement
(self);
}
void
CoderBeginStatement
(CoderRef self)
{
CoderIndent
(self);
}
void
CoderEndStatement
(CoderRef self)
{
fprintf
(self -> stream,
"
;
\n
"
);
self -> padded =
false
;
}
void
CoderBeginPreprocessor
(CoderRef self,
const
char
*p_format, ...)
{
va_list t_args;
va_start
(t_args, p_format);
vfprintf
(self -> stream, p_format, t_args);
va_end
(t_args);
fprintf
(self -> stream,
"
\n
"
);
self -> padded =
false
;
}
void
CoderEndPreprocessor
(CoderRef self,
const
char
*p_format, ...)
{
va_list t_args;
va_start
(t_args, p_format);
vfprintf
(self -> stream, p_format, t_args);
va_end
(t_args);
fprintf
(self -> stream,
"
\n
"
);
self -> padded =
false
;
}
void
CoderBegin
(CoderRef self,
const
char
*p_format, ...)
{
if
(*p_format !=
'
\0
'
)
{
CoderIndent
(self);
va_list t_args;
va_start
(t_args, p_format);
vfprintf
(self -> stream, p_format, t_args);
va_end
(t_args);
fprintf
(self -> stream,
"
\n
"
);
}
CoderIndent
(self);
fprintf
(self -> stream,
"
{
\n
"
);
self -> depth +=
1
;
self -> padded =
false
;
}
void
CoderEndBegin
(CoderRef self,
const
char
*p_format, ...)
{
CoderEnd
(self,
"
"
);
CoderIndent
(self);
va_list t_args;
va_start
(t_args, p_format);
vfprintf
(self -> stream, p_format, t_args);
va_end
(t_args);
fprintf
(self -> stream,
"
\n
"
);
CoderBegin
(self,
"
"
);
self -> padded =
false
;
}
void
CoderEnd
(CoderRef self,
const
char
*p_format, ...)
{
self -> depth -=
1
;
CoderIndent
(self);
fprintf
(self -> stream,
"
}
\n
"
);
if
(*p_format !=
'
\0
'
)
{
CoderIndent
(self);
va_list t_args;
va_start
(t_args, p_format);
vfprintf
(self -> stream, p_format, t_args);
va_end
(t_args);
fprintf
(self -> stream,
"
\n
"
);
}
self -> padded =
false
;
}
void
CoderBeginIf
(CoderRef self,
const
char
*p_format, ...)
{
CoderIndent
(self);
fprintf
(self -> stream,
"
if (
"
);
va_list t_args;
va_start
(t_args, p_format);
vfprintf
(self -> stream, p_format, t_args);
va_end
(t_args);
fprintf
(self -> stream,
"
)
\n
"
);
CoderBegin
(self,
"
"
);
self -> padded =
false
;
}
void
CoderElse
(CoderRef self)
{
CoderEndBegin
(self,
"
else
"
);
}
void
CoderEndIf
(CoderRef self)
{
CoderEnd
(self,
"
"
);
}
void
CoderPad
(CoderRef self)
{
if
(self -> padded)
return
;
CoderWriteLine
(self,
"
"
);
self -> padded =
true
;
}
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