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compile_php.py
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compile_php.py
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#! /usr/bin/python
# Written by Folkert van Heusden
# Released in the public domain
# www.vanheusden.com
import sys
from compile_base import CompileBase
class CompileToPHP(CompileBase):
def header(self):
print('Brainfuck to PHP compiler.', file=sys.stderr)
def get_name():
return ('php', None)
def genindent(self, level):
return ' ' * (level * 4)
def invokeFunction(self, funcNr):
print('%sf%d();' % (self.genindent(self.lindentlevel), funcNr))
def addToDataPtr(self, n, dot, position):
ind = self.genindent(self.lindentlevel)
if n == 1:
print('%s$data_ptr++;' % ind)
else:
print('%s$data_ptr += %d;' % (ind, n))
def subFromDataPtr(self, n, dot, position):
ind = self.genindent(self.lindentlevel)
if n == 1:
print('%s$data_ptr--;' % ind)
else:
print('%s$data_ptr -= %d;' % (ind, n))
def addToData(self, n, dot, position):
ind = self.genindent(self.lindentlevel)
if n == 1:
print('%s$data_mem[$data_ptr]++;' % ind)
else:
print('%s$data_mem[$data_ptr] += %d;' % (ind, n))
def subFromData(self, n, dot, position):
ind = self.genindent(self.lindentlevel)
if n == 1:
print('%s$data_mem[$data_ptr]--;' % ind)
else:
print('%s$data_mem[$data_ptr] -= %d;' % (ind, n))
def emitCharacter(self, n, dot):
for i in range(0, n):
print('%sprintf("%%c", $data_mem[$data_ptr]);' % self.genindent(self.lindentlevel))
def startLoop(self, n, position):
for j in range(0, n):
print('%swhile($data_mem[$data_ptr] > 0) {' % self.genindent(self.lindentlevel))
self.lindentlevel += 1
def finishLoop(self, n, dot, position):
for j in range(0, n):
self.lindentlevel -= 1
print('%s}' % self.genindent(self.lindentlevel))
def addComment(self, s):
print('# %s' % s)
def multilineCommentStart(self):
print('#')
def multilineCommentLine(self, s):
print('# %s' % s)
def multilineCommentEnd(self):
print('#')
def emitProgramBootstrap(self, file):
print('<?')
for i in self.copyrightNotice:
print('# %s' % i)
print('')
print(f'# This is a translation of "{file}".')
print('$memory_size = 32768;')
print('$data_mem = array_fill(0, $memory_size, 0);')
print('$data_ptr = 0;')
print('')
def emitFunctions(self):
for blkLoop in range(0, len(self.blocks)):
print('%sfunction f%d() {' % (self.genindent(self.lindentlevel), blkLoop))
self.lindentlevel += 1
print('%sglobal $data_mem, $data_ptr;' % self.genindent(self.lindentlevel))
self.translate(self.blocks[blkLoop][0], self.blocks[blkLoop][1])
self.lindentlevel -= 1
print('%s}' % self.genindent(self.lindentlevel))
self.lindentlevel -= 1
def emitMainFunction(self):
print('')
self.translate(0, len(self.allCode))
print('?>')