Commit f4064312 authored by Robert Bradshaw's avatar Robert Bradshaw

Option to emit #line directives, ticket #53

parent 112e74e4
......@@ -36,7 +36,7 @@ Options:
-D, --no-docstrings Remove docstrings.
-a, --annotate Produce a colorized HTML version of the source.
--convert-range Convert for loops using range() function to for...from loops.
--line-directives Produce #line directives pointing to the .pyx source
--cplus Output a c++ rather than c file.
-X, --directive <name>=<value>[,<name=value,...] Overrides a compiler directive
"""
......@@ -114,6 +114,8 @@ def parse_command_line(args):
Options.annotate = True
elif option == "--convert-range":
Options.convert_range = True
elif option == "--line-directives":
options.emit_linenums = True
elif option in ("-X", "--directive"):
try:
options.pragma_overrides = Options.parse_option_list(pop_arg())
......
......@@ -161,13 +161,14 @@ class GlobalState(object):
# interned_nums
# cached_builtins
def __init__(self, rootwriter):
def __init__(self, rootwriter, emit_linenums=False):
self.filename_table = {}
self.filename_list = []
self.input_file_contents = {}
self.used_utility_code = set()
self.declared_cnames = {}
self.pystring_table_needed = False
self.emit_linenums = emit_linenums
def initwriters(self, rootwriter):
self.utilprotowriter = rootwriter.new_writer()
......@@ -378,6 +379,8 @@ class GlobalState(object):
writer.insert(self.utilprotowriter)
def put_utility_code_defs(self, writer):
if self.emit_linenums:
writer.write('\n#line 1 "cython_utility"\n')
writer.insert(self.utildefwriter)
......@@ -415,19 +418,21 @@ class CCodeWriter(object):
# generation (labels and temps state etc.)
# globalstate GlobalState contains state global for a C file (input file info,
# utility code, declared constants etc.)
# emit_linenums boolean whether or not to write #line pragmas
def __init__(self, create_from=None, buffer=None, copy_formatting=False):
def __init__(self, create_from=None, buffer=None, copy_formatting=False, emit_linenums=None):
if buffer is None: buffer = StringIOTree()
self.buffer = buffer
self.marker = None
self.last_marker_line = 0
self.source_desc = ""
self.funcstate = None
self.level = 0
self.bol = 1
if create_from is None:
# Root CCodeWriter
self.globalstate = GlobalState(self)
self.globalstate = GlobalState(self, emit_linenums=emit_linenums)
self.globalstate.initwriters(self)
# ^^^ need seperate step because this will reference self.globalstate
else:
......@@ -437,6 +442,10 @@ class CCodeWriter(object):
if copy_formatting:
self.level = create_from.level
self.bol = create_from.bol
if emit_linenums is None:
self.emit_linenums = self.globalstate.emit_linenums
else:
self.emit_linenums = emit_linenums
def create_new(self, create_from, buffer, copy_formatting):
# polymorphic constructor -- very slightly more versatile
......@@ -504,6 +513,8 @@ class CCodeWriter(object):
def putln(self, code = ""):
if self.marker and self.bol:
self.emit_marker()
if self.emit_linenums and self.last_marker_line != 0:
self.write('\n#line %s "%s"\n' % (self.last_marker_line, self.source_desc))
if code:
self.put(code)
self.write("\n");
......@@ -580,7 +591,8 @@ class CCodeWriter(object):
marker = u'"%s":%d\n%s\n' % (
source_desc.get_escaped_description(), line, u'\n'.join(lines))
self.marker = (line, marker)
if self.emit_linenums:
self.source_desc = source_desc.get_escaped_description()
def put_label(self, lbl):
if lbl in self.funcstate.labels_used:
......
......@@ -727,7 +727,8 @@ default_options = dict(
timestamps = None,
verbose = 0,
quiet = 0,
pragma_overrides = {}
pragma_overrides = {},
emit_linenums = False,
)
if sys.platform == "mac":
from Cython.Mac.MacSystem import c_compile, c_link, CCompilerError
......
......@@ -3,7 +3,6 @@
#
import os, time
from cStringIO import StringIO
from PyrexTypes import CPtrType
import Future
......@@ -240,7 +239,7 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
if Options.annotate or options.annotate:
code = Annotate.AnnotationCCodeWriter()
else:
code = Code.CCodeWriter()
code = Code.CCodeWriter(emit_linenums=options.emit_linenums)
h_code = code.insertion_point()
self.generate_module_preamble(env, modules, h_code)
......
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