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compiler.embedding: maintain correct column numbers in debug info.

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whitequark 2015-08-31 15:57:08 -06:00
parent 3ca5967cea
commit b03efbc94d
1 changed files with 15 additions and 4 deletions
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19
artiq/compiler/embedding.py
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@ -5,10 +5,11 @@ the references to the host objects and translates the functions
annotated as ``@kernel`` when they are referenced.
"""
import os, re, linecache, inspect, textwrap
import sys, os, re, linecache, inspect, textwrap
from collections import OrderedDict, defaultdict
from pythonparser import ast, algorithm, source, diagnostic, parse_buffer
from pythonparser import lexer as source_lexer, parser as source_parser
from ..language import core as language_core
from . import types, builtins, asttyped, prelude
@ -424,7 +425,7 @@ class Stitcher:
# Extract function source.
embedded_function = function.artiq_embedded.function
source_code = textwrap.dedent(inspect.getsource(embedded_function))
source_code = inspect.getsource(embedded_function)
filename = embedded_function.__code__.co_filename
module_name = embedded_function.__globals__['__name__']
first_line = embedded_function.__code__.co_firstlineno
@ -436,10 +437,20 @@ class Stitcher:
cell_names = embedded_function.__code__.co_freevars
host_environment.update({var: cells[index] for index, var in enumerate(cell_names)})
# Find out how indented we are.
initial_whitespace = re.search(r"^\s*", source_code).group(0)
initial_indent = len(initial_whitespace.expandtabs())
# Parse.
source_buffer = source.Buffer(source_code, filename, first_line)
parsetree, comments = parse_buffer(source_buffer, engine=self.engine)
function_node = parsetree.body[0]
lexer = source_lexer.Lexer(source_buffer, version=sys.version_info[0:2],
diagnostic_engine=self.engine)
lexer.indent = [(initial_indent,
source.Range(source_buffer, 0, len(initial_whitespace)),
initial_whitespace)]
parser = source_parser.Parser(lexer, version=sys.version_info[0:2],
diagnostic_engine=self.engine)
function_node = parser.file_input().body[0]
# Mangle the name, since we put everything into a single module.
function_node.name = "{}.{}".format(module_name, function.__qualname__)