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#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file
import re
INC_REGEX = r"""(?:^|['">]\s*;)\s*(?:|#\s*)INCLUDE\s+(?:\w+_)?[<"'](.+?)(?=["'>])"""
USE_REGEX = r"""(?:^|;)\s*USE(?:\s+|(?:(?:\s*,\s*(?:NON_)?INTRINSIC)?\s*::))\s*(\w+)"""
MOD_REGEX = r"""(?:^|;)\s*MODULE(?!\s+(?:PROCEDURE|SUBROUTINE|FUNCTION))\s+(\w+)"""
SMD_REGEX = r"""(?:^|;)\s*SUBMODULE\s*\(([\w:]+)\)\s*(\w+)"""
re_inc = re.compile(INC_REGEX, re.I)
re_use = re.compile(USE_REGEX, re.I)
re_mod = re.compile(MOD_REGEX, re.I)
re_smd = re.compile(SMD_REGEX, re.I)
class fortran_parser(object):
def __init__(self, incpaths):
self.seen = []
self.nodes = []
self.names = []
self.incpaths = incpaths
def find_deps(self, node):
txt = node.read()
incs = []
uses = []
mods = []
for line in txt.splitlines():
m = re_inc.search(line)
if m:
incs.append(m.group(1))
m = re_use.search(line)
if m:
uses.append(m.group(1))
m = re_mod.search(line)
if m:
mods.append(m.group(1))
m = re_smd.search(line)
if m:
uses.append(m.group(1))
mods.append('{0}:{1}'.format(m.group(1), m.group(2)))
return (incs, uses, mods)
def start(self, node):
self.waiting = [node]
while self.waiting:
nd = self.waiting.pop(0)
self.iter(nd)
def iter(self, node):
incs, uses, mods = self.find_deps(node)
for x in incs:
if x in self.seen:
continue
self.seen.append(x)
self.tryfind_header(x)
for x in uses:
name = "USE@%s" % x
if not name in self.names:
self.names.append(name)
for x in mods:
name = "MOD@%s" % x
if not name in self.names:
self.names.append(name)
def tryfind_header(self, filename):
found = None
for n in self.incpaths:
found = n.find_resource(filename)
if found:
self.nodes.append(found)
self.waiting.append(found)
break
if not found:
if not filename in self.names:
self.names.append(filename)
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