mirror of https://gitlab.com/scemama/irpf90.git
744 lines
23 KiB
Python
744 lines
23 KiB
Python
#!/usr/bin/python
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# IRPF90 is a Fortran90 preprocessor written in Python for programming using
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# the Implicit Reference to Parameters (IRP) method.
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# Copyright (C) 2009 Anthony SCEMAMA
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Anthony Scemama
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# LCPQ - IRSAMC - CNRS
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# Universite Paul Sabatier
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# 118, route de Narbonne
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# 31062 Toulouse Cedex 4
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# scemama@irsamc.ups-tlse.fr
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from irpf90_t import *
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from regexps import *
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import error
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from command_line import command_line
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from util import *
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# Local regular expressions
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re_endif = re.compile("end\s+if")
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re_elseif = re.compile("else\s+if")
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re_enddo = re.compile("end\s+do")
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re_endselect = re.compile("end\s+select")
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# Local variables
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Free_form = 0
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Fixed_form = 1
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######################################################################
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def get_type (i, filename, line, is_doc):
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'''Find the type of a text line'''
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assert isinstance(i,int)
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assert isinstance(filename,str)
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assert isinstance(line,str)
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assert isinstance(is_doc,bool)
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line = line.rstrip()
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lower_line0 = line.lstrip().lower()
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lower_line = lower_line0.replace("!"," ! ")
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# Replacements
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lower_line = re_elseif.sub("elseif",lower_line)
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lower_line = re_enddo.sub("enddo",lower_line)
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lower_line = re_endif.sub("endif",lower_line)
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lower_line = re_endselect.sub("endselect",lower_line)
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for c in """()'"[]""":
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lower_line = lower_line.replace(c," ")
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buffer = lower_line.split()
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if len(buffer) == 0:
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return [ Empty_line(i,line,filename) ], is_doc
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firstword = buffer[0]
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if firstword.isdigit():
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assert len(buffer) > 1
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buffer = buffer[1:]
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firstword = buffer[0]
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# Detect errors
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if firstword == "dowhile":
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error.fail( Do(i,line,filename) , "'do while' should be in 2 words." )
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# Identify line
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if firstword == "end_doc":
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return [ End_doc (i,line,filename) ], False
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if firstword == "begin_doc":
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return [ Begin_doc (i,line,filename) ], True
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if is_doc:
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return [ Doc (i,line,filename) ], is_doc
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# Dictionary of simple statements
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simple_dict = {
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"program": [ Program (i,line,filename) ] ,
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"subroutine": [ Subroutine (i,line,filename) ] ,
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"begin_shell": [ Begin_shell (i,line,filename) ] ,
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"end_shell": [ End_shell (i,line,filename) ] ,
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"end_doc": [ End_doc (i,line,filename) ] ,
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"begin_provider": [ Begin_provider (i,line,filename) ] ,
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"&begin_provider": [ Cont_provider (i,line,filename) ] ,
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"end_provider": [ End_provider (i,line,filename) ] ,
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"assert": [ Assert (i,line,filename) ] ,
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"touch": [ Touch (i,line,filename) ] ,
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"provide": [ Provide (i,line,filename) ] ,
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"free": [ Free (i,line,filename) ] ,
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"irp_if": [ Irp_If (i,line,filename) ] ,
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"irp_else": [ Irp_Else (i,line,filename) ] ,
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"irp_endif": [ Irp_Endif (i,line,filename) ] ,
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"irp_read": [ Irp_read (i,line,filename) ] ,
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"irp_write": [ Irp_write (i,line,filename) ] ,
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"use": [ Use (i,line,filename) ] ,
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"do": [ Do (i,line,filename) ] ,
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"selectcase": [ Select (i,"",filename) ,
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Simple_line (i,line,filename) ] ,
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"select": [ Select (i,"",filename) ,
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Simple_line (i,line,filename) ] ,
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"if": [ If (i,line,filename) ] ,
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"case": [ Case (i,line,filename) ] ,
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"elseif": [ Elseif (i,line,filename) ] ,
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"else": [ Else (i,line,filename) ] ,
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"enddo": [ Enddo (i,line,filename) ] ,
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"endif": [ Endif (i,line,filename) ] ,
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"endselect": [ End_select (i,line,filename) ] ,
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"end": [ End (i,line,filename) ] ,
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"include": [ Include (i,line,filename) ] ,
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"call": [ Call (i,line,filename) ] ,
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"continue": [ Continue (i,line,filename) ] ,
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"return": [ Return (i,line,filename) ] ,
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"implicit": [ Implicit (i,line,filename) ] ,
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"save": [ Declaration (i,line,filename) ] ,
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"function": [ Function (i,line,filename) ] ,
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"recursive": [ Function (i,line,filename) ] ,
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}
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if firstword in simple_dict.keys():
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return simple_dict[firstword], is_doc
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if len(lower_line0) > 4:
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if firstword[0] == '#':
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result = [ Simple_line(i,line,filename) ]
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error.warn ( result[0] ,
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"""irpf90 may not work with preprocessor directives. You can use
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Irp_if ... Irp_else ... Irp_endif
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instead of
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#ifdef ... #else ... #endif""" )
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return result, is_doc
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if firstword.startswith("case("):
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return [ Case(i,line,filename) ], is_doc
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if lower_line0[1:5] == "$omp":
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return [ Openmp(i,line,filename) ], is_doc
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if re_decl.match(lower_line) is not None:
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if "function" in buffer[1:3]:
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return [ Function (i,line,filename) ], is_doc
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else:
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return [ Declaration (i,line,filename) ], is_doc
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return [ Simple_line(i,line,filename) ], is_doc
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######################################################################
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def get_text(lines,filename):
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'''Read the input file and transform it to labeled lines'''
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assert isinstance(filename,str)
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assert isinstance(lines,list)
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result = []
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is_doc = False
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for i,line in enumerate(lines):
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line, is_doc = get_type(i+1,filename,line,is_doc)
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result += line
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return result
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######################################################################
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def execute_shell(text):
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'''Execute the embedded shell scripts'''
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def fail(l,a,b): error.fail(l,"In Begin_Shell, %s '%s'"%(a,b))
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inside = False
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result = []
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for line in text:
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if inside:
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if isinstance(line,Begin_shell):
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error.fail(line,"Nested Begin_shell")
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elif isinstance(line,End_shell):
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inside = False
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# Write script file
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scriptname = "%s%s_shell_%d"%(irpdir,line.filename,line.i)
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file = open(scriptname,'w')
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file.writelines(script)
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file.close()
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scriptname = "%s_shell_%d"%(line.filename,line.i)
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file = open(scriptname,'w')
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file.writelines(script)
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file.close()
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# Execute shell
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import os
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pipe = os.popen("%s < %s"%(shell,scriptname),'r')
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lines = pipe.readlines()
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pipe.close()
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result += get_text(lines,scriptname)
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os.remove(scriptname)
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else:
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script.append(line.text+'\n')
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else:
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if isinstance(line,Begin_shell):
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inside = True
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begin = line.i
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script = []
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# Find shell executable
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buffer = line.text.split('[')
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if len(buffer) > 2:
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fail(line,"Too many",'[')
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elif len(buffer) < 2:
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fail(line,"Missing",'[')
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buffer = buffer[1]
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buffer = buffer.split(']')
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if len(buffer) > 2:
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fail(line,"Too many",']')
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elif len(buffer) < 2:
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fail(line,"Missing",']')
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shell = buffer[0].strip()
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elif isinstance(line,End_shell):
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error.fail(line,"Begin_shell missing")
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else:
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result.append(line)
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return result
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######################################################################
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def form(text):
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'''Find if the text is in fixed form or in free form'''
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assert isinstance(text,list)
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if len(text) == 0:
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return Free_form
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assert isinstance(text[0],Line)
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re2 = re.compile(r"^\s*[!#]")
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re3 = re.compile(r"^\s*[^ 0-9]+")
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for line in text:
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if type(line) in [ Empty_line, Doc, Openmp ]:
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pass
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else:
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if len(line.text) > 5:
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test = line.text[0:5]
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if test[0] in "Cc#!*":
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pass
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else:
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if re2.match(test) is None and \
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re3.match(test) is not None:
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return Free_form
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if line.text.rstrip()[-1] == '&':
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return Free_form
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return Fixed_form
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######################################################################
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def remove_comments(text,form):
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'''Remove all comments'''
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result = []
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def remove_after_bang(line):
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match = re_comment.match(line)
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if match is None:
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return line
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else:
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return re_comment.split(line)[1].rstrip()
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if form == Free_form:
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for line in text:
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if type(line) in [ Openmp, Doc] :
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result.append(line)
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elif isinstance(line,Empty_line):
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pass
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else:
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newline = line.text.lstrip()
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if newline == "" or newline[0] == "!":
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pass
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else:
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line.text = remove_after_bang(line.text)
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result.append(line)
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return result
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else:
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for line in text:
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if type(line) in [ Openmp, Doc ]:
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result.append(line)
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elif isinstance(line,Empty_line):
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pass
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else:
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newline = line.text.lstrip()
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if newline == "" or newline[0] == "!":
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pass
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else:
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line.text = remove_after_bang(line.text)
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if line.text[0] in "#123456789 ":
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result.append(line)
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return result
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######################################################################
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def remove_continuation(text,form):
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'''Removes continuation lines'''
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result = []
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buffer = ""
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number = 0
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t = None
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if form == Free_form:
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for line in text:
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if line.text[-1] == '&':
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buffer = "%s%s "%(buffer,line.text[:-1].lstrip())
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if number == 0:
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t = type(line)
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number = line.i
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else:
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if number != 0:
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newline = t(number, \
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"%s%s"%(buffer,line.text.lstrip()), \
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line.filename)
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line = newline
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number = 0
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buffer = ""
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result.append(line)
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else:
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rev_text = list(text)
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rev_text.reverse()
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for line in rev_text:
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is_continuation = False
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if isinstance(line,Simple_line):
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if len(line.text) >= 6:
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if line.text[5] != ' ':
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is_continuation = True
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if is_continuation:
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buffer = "%s %s"%(line.text[6:].lstrip(),buffer)
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else:
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line.text = line.text+buffer
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result.insert(0,line)
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buffer = ""
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return result
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######################################################################
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def irp_simple_statements(text):
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'''Processes simple statements'''
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def process_irp_rw(line,rw,t):
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assert isinstance(line,t)
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buffer = line.text.split()
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if len(buffer) == 2:
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dummy, variable = buffer
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num = "0"
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elif len(buffer) == 3:
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dummy, variable, num = buffer
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else:
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error.fail(line,"Error in IRP_%s statement"%(rw,))
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i = line.i
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f = line.filename
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txt = line.text.lstrip()
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result = [
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Simple_line(i,"!",f),
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t(i,"! >>> %s"%(txt,),variable ),
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Provide_all(i," call %ser_%s('%s')"%(rw,variable,num),f),
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Simple_line(i,"! >>> END %s "%(txt,),f ),
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Simple_line(line.i,"!",f),
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]
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return result
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def process_irp_read (line):
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assert isinstance(line,Irp_read)
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return process_irp_rw(line,'read' ,Irp_read )
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def process_irp_write(line):
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assert isinstance(line,Irp_write)
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return process_irp_rw(line,'writ' ,Irp_write)
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def process_return(line):
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assert isinstance(line,Return)
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if command_line.do_assert or command_line.do_debug:
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newline = Simple_line(line.i," call irp_leave(irp_here)",line.filename)
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result = [newline, line]
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else:
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result = [ line ]
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return result
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def debug_conditions(line):
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'''Find condition in assert statement for debug'''
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assert isinstance(line,Assert)
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match = re_test.search(line.text)
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if match is None:
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result = [ line ]
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else:
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result = []
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matches = [ match.group(1).strip(), match.group(3).strip() ]
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for m in matches:
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if not(m.isdigit() or ("'" in m) or (m == "")):
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result.append ( Simple_line (line.i, " print *, '%s = ', %s"%(m,m), line.filename) )
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result.append ( Simple_line (line.i, " print *, ''", line.filename) )
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return result
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def process_assert(line):
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assert isinstance(line,Assert)
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if command_line.do_assert:
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condition = "(%s"%(line.text.split('(',1)[1])
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if condition == "":
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error.fail(line,"Error in Assert statement")
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condition_str = condition.replace("'","''")
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i = line.i
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f = line.filename
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txt = line.text.strip()
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result = [
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Simple_line(i, "!", f),
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Simple_line(i, "! >>> %s"%(txt,), f),
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If (i, " if (.not.%s) then"%(condition,), f),
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Simple_line(i, " call irp_trace", f),
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Simple_line(i, " print *, irp_here//': Assert failed:'", f),
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Simple_line(i, " print *, ' file: %s, line: %d'"%(f,i), f),
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Simple_line(i, " print *, '%s'"%(condition_str,), f),
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] + debug_conditions(line) + [
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Simple_line(i, " stop 1", f),
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Endif (i, " endif", f),
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Simple_line(i, "! <<< END %s"%(txt,), f),
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Simple_line(i, "!", f)
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]
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else:
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result = []
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return result
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def process_end(line):
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'''Set irp_here variable in provider block'''
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if command_line.do_assert or command_line.do_debug:
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i = line.i
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f = line.filename
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result = [
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Simple_line(i," call irp_leave(irp_here)", f),
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line
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]
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else:
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result = [ line ]
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return result
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def process_begin_provider(line):
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assert isinstance(line,Begin_provider)
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buffer = line.text.replace('['," ")
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buffer = buffer.replace(']',"")
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buffer = buffer.split(',')
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if len(buffer) < 2:
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error.fail(line,"Error in Begin_provider statement")
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varname = buffer[1].strip().lower()
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length = len(varname)
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i = line.i
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f = line.filename
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result = [ Begin_provider(i,line.text, (f,varname)),
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Declaration(i," character*(%d) :: irp_here = '%s'"%(length,varname), filename) ]
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if command_line.do_assert or command_line.do_debug:
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result += [
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Simple_line(i," call irp_enter(irp_here)", f),
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]
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return result
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def process_cont_provider(line):
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assert isinstance(line,Cont_provider)
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buffer = line.text.replace('['," ")
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buffer = buffer.replace(']',"")
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buffer = buffer.split(',')
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if len(buffer) < 2:
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error.fail(line,"Error in Cont_provider statement")
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varname = buffer[1].strip().lower()
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i = line.i
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f = line.filename
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return [ Cont_provider(i,line.text,(f,varname)) ]
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def process_subroutine(line):
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assert isinstance(line,Subroutine)
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subname = find_subname(line)
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length = len(subname)
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i = line.i
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f = line.filename
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result = [ line,
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Declaration(i," character*(%d) :: irp_here = '%s'"%(length,subname), f) ]
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if command_line.do_assert or command_line.do_debug:
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result += [
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Simple_line(i," call irp_enter(irp_here)", f),
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]
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return result
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def process_function(line):
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assert isinstance(line,Function)
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buffer = line.text.split('(')
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subname = find_subname(line)
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length = len(subname)
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i = line.i
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f = line.filename
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result = [ line,
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Declaration(i," character*(%d) :: irp_here = '%s'"%(length,subname), f) ]
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if command_line.do_assert or command_line.do_debug:
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result += [
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Simple_line(i," call irp_enter(irp_here)", f),
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]
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return result
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def process_program(line):
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assert isinstance(line,Program)
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program_name = line.text.split()[1].lower()
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result = [ Program(0,"",program_name) ] + \
|
|
process_subroutine( Subroutine(line.i,"subroutine %s"%(program_name,),line.filename) )
|
|
return result
|
|
|
|
d = { Irp_read : process_irp_read,
|
|
Irp_write : process_irp_write,
|
|
Return : process_return,
|
|
Assert : process_assert,
|
|
End : process_end,
|
|
Begin_provider : process_begin_provider,
|
|
Cont_provider : process_cont_provider,
|
|
End_provider : process_end,
|
|
Subroutine : process_subroutine,
|
|
Function : process_function,
|
|
Program : process_program,
|
|
}
|
|
|
|
result = []
|
|
for line in text:
|
|
buffer = [ line ]
|
|
for t in d.keys():
|
|
if isinstance(line,t):
|
|
buffer = d[t](line)
|
|
break
|
|
result += buffer
|
|
return result
|
|
|
|
|
|
######################################################################
|
|
def change_includes(text):
|
|
'''Deals with include files'''
|
|
result = []
|
|
for line in text:
|
|
if (isinstance(line,Include)):
|
|
txt = line.text.replace('"',"'").split("'")
|
|
if len(txt) != 3:
|
|
print txt
|
|
error.fail(line,"Error in include statement")
|
|
filename = txt[1].strip()
|
|
try:
|
|
file = open(filename,'r')
|
|
file.close()
|
|
result += create_preprocessed_text(filename)
|
|
except IOError:
|
|
result.append(Declaration(line.i,line.text,line.filename))
|
|
else:
|
|
result.append(line)
|
|
return result
|
|
|
|
######################################################################
|
|
def process_old_style_do(text):
|
|
'''Changes old-style do loops to new style'''
|
|
assert isinstance(text,list)
|
|
|
|
def change_matching_enddo(begin,number):
|
|
for i in range(begin+1,len(text)):
|
|
line = text[i]
|
|
if type(line) in [Continue,Enddo]:
|
|
buffer = line.text.split()
|
|
if buffer[0] == number:
|
|
text[i] = Enddo(line.i," enddo",line.filename)
|
|
return
|
|
error.fail(text[begin],"Old-style do loops should end with 'continue' or 'end do'")
|
|
|
|
result = []
|
|
for i in range(len(text)):
|
|
line = text[i]
|
|
if isinstance(line,Do):
|
|
buffer = line.text.split()
|
|
if buffer[1].isdigit():
|
|
number = buffer.pop(1)
|
|
change_matching_enddo(i,number)
|
|
line.text = " ".join(buffer)
|
|
result.append(line)
|
|
return result
|
|
|
|
######################################################################
|
|
def change_single_line_ifs(text):
|
|
'''Changes:
|
|
if (test) result
|
|
|
|
to
|
|
|
|
if (test) then
|
|
result
|
|
endif'''
|
|
|
|
assert isinstance(text,list)
|
|
result = []
|
|
for line in text:
|
|
if isinstance(line,If):
|
|
if line.text.endswith("then"):
|
|
result.append(line)
|
|
else:
|
|
buffer = line.text
|
|
begin = buffer.find('(')
|
|
if begin < 0:
|
|
error.fail(line,"Error in if statement")
|
|
level = 0
|
|
instring = False
|
|
for i,c in enumerate(buffer[begin:]):
|
|
if c == "'":
|
|
instring = not instring
|
|
if instring:
|
|
pass
|
|
elif c == '(':
|
|
level +=1
|
|
elif c == ')':
|
|
level -= 1
|
|
if level == 0:
|
|
end = begin+i+1
|
|
break
|
|
if level != 0:
|
|
error.fail(line,"Error in if statement")
|
|
test = buffer[:end]
|
|
code = buffer[end:]
|
|
i = line.i
|
|
f = line.filename
|
|
result.append( If(i,"%s then"%(test,),f) )
|
|
result += get_type(i,f,code,False)[0]
|
|
result.append( Endif(i," endif",f) )
|
|
else:
|
|
result.append(line)
|
|
return result
|
|
|
|
######################################################################
|
|
def check_begin_end(text):
|
|
'''Checks x...endx consistence'''
|
|
|
|
filter_line = lambda line: type(line) in [ Do, Enddo, If, Endif, \
|
|
Begin_provider, End_provider, \
|
|
Subroutine, Function, End, Begin_doc, End_doc ]
|
|
text = filter(filter_line, text)
|
|
|
|
d = { 'do' : Do, 'enddo': Enddo,
|
|
'if' : If, 'endif': Endif,
|
|
'_doc': Begin_doc, 'end_doc': End_doc}
|
|
assert isinstance(text,list)
|
|
|
|
def find_matching_end_ifdo(begin,x):
|
|
level = 1
|
|
for i in range(begin+1,len(text)):
|
|
line = text[i]
|
|
if isinstance(line,d[x]):
|
|
level += 1
|
|
elif isinstance(line,d["end%s"%(x,)]):
|
|
level -= 1
|
|
if level == 0:
|
|
return True
|
|
elif type(line) in [End, End_provider]:
|
|
break
|
|
error.fail(text[begin],"Missing 'end%s'"%(x,))
|
|
|
|
def find_matching_end_subfunpro(begin,x):
|
|
for i in range(begin+1,len(text)):
|
|
line = text[i]
|
|
if isinstance(line,x):
|
|
return
|
|
if type(line) in [ Subroutine, Function, Begin_provider ]:
|
|
error.fail(text[begin],"Subroutine/Function/Provider is not closed")
|
|
error.fail(text[begin],"Subroutine/Function/Provider is not closed")
|
|
|
|
|
|
level = 0
|
|
for i,line in enumerate(text):
|
|
if isinstance(line,Begin_doc):
|
|
find_matching_end_ifdo(i,'_doc')
|
|
for i,line in enumerate(text):
|
|
if isinstance(line,Do):
|
|
find_matching_end_ifdo(i,'do')
|
|
elif isinstance(line,If):
|
|
find_matching_end_ifdo(i,'if')
|
|
elif isinstance(line,Subroutine):
|
|
level += 1
|
|
find_matching_end_subfunpro(i,End)
|
|
elif isinstance(line,Function):
|
|
level += 1
|
|
find_matching_end_subfunpro(i,End)
|
|
elif isinstance(line,Begin_provider):
|
|
level += 1
|
|
find_matching_end_subfunpro(i,End_provider)
|
|
elif isinstance(line,End):
|
|
level -= 1
|
|
elif isinstance(line,End_provider):
|
|
level -= 1
|
|
if level < 0:
|
|
error.fail(line,"Beginning of block not matched")
|
|
|
|
return True
|
|
|
|
######################################################################
|
|
def remove_ifdefs(text):
|
|
assert isinstance(text,list)
|
|
result = []
|
|
do_print = True
|
|
for line in text:
|
|
if isinstance(line,Irp_If):
|
|
var = line.text.split()[1]
|
|
do_print = var in command_line.defined
|
|
elif isinstance(line,Irp_Else):
|
|
do_print = not do_print
|
|
elif isinstance(line,Irp_Endif):
|
|
do_print = True
|
|
else:
|
|
if do_print:
|
|
result.append(line)
|
|
return result
|
|
|
|
######################################################################
|
|
def create_preprocessed_text(filename):
|
|
file = open(filename,"r")
|
|
lines = file.readlines()
|
|
file.close()
|
|
result = get_text(lines,filename)
|
|
result = execute_shell(result)
|
|
fortran_form = form(result)
|
|
result = remove_ifdefs(result)
|
|
result = remove_comments(result,fortran_form)
|
|
result = remove_continuation(result,fortran_form)
|
|
result = change_includes(result)
|
|
result = change_single_line_ifs(result)
|
|
result = process_old_style_do(result)
|
|
result = irp_simple_statements(result)
|
|
return result
|
|
|
|
######################################################################
|
|
preprocessed_text = []
|
|
for filename in irpf90_files:
|
|
result = create_preprocessed_text(filename)
|
|
check_begin_end(result)
|
|
preprocessed_text.append( (filename, result) )
|
|
|
|
######################################################################
|
|
def debug():
|
|
for filename, txt in preprocessed_text:
|
|
print "=== "+filename+" ==="
|
|
for line in txt:
|
|
print line
|
|
print irpf90_files
|
|
|
|
if __name__ == '__main__':
|
|
debug()
|
|
|