diff options
Diffstat (limited to 'scripts/ninjatool.py')
| -rwxr-xr-x | scripts/ninjatool.py | 1008 |
1 files changed, 0 insertions, 1008 deletions
diff --git a/scripts/ninjatool.py b/scripts/ninjatool.py deleted file mode 100755 index 6f0e35c..0000000 --- a/scripts/ninjatool.py +++ /dev/null @@ -1,1008 +0,0 @@ -#! /bin/sh - -# Python module for parsing and processing .ninja files. -# -# Author: Paolo Bonzini -# -# Copyright (C) 2019 Red Hat, Inc. - - -# We don't want to put "#! @PYTHON@" as the shebang and -# make the file executable, so instead we make this a -# Python/shell polyglot. The first line below starts a -# multiline string literal for Python, while it is just -# ":" for bash. The closing of the multiline string literal -# is never parsed by bash since it exits before. - -'''': -case "$0" in - /*) me=$0 ;; - *) me=$(command -v "$0") ;; -esac -python="@PYTHON@" -case $python in - @*) python=python3 ;; -esac -exec $python "$me" "$@" -exit 1 -''' - - -from collections import namedtuple, defaultdict -import sys -import os -import re -import json -import argparse -import hashlib -import shutil - - -class InvalidArgumentError(Exception): - pass - -# faster version of os.path.normpath: do nothing unless there is a double -# slash or a "." or ".." component. The filter does not have to be super -# precise, but it has to be fast. os.path.normpath is the hottest function -# for ninja2make without this optimization! -if os.path.sep == '/': - def normpath(path, _slow_re=re.compile('/[./]')): - return os.path.normpath(path) if _slow_re.search(path) or path[0] == '.' else path -else: - normpath = os.path.normpath - - -def sha1_text(text): - return hashlib.sha1(text.encode()).hexdigest() - -# ---- lexer and parser ---- - -PATH_RE = r"[^$\s:|]+|\$[$ :]|\$[a-zA-Z0-9_-]+|\$\{[a-zA-Z0-9_.-]+\}" - -SIMPLE_PATH_RE = re.compile(r"^[^$\s:|]+$") -IDENT_RE = re.compile(r"[a-zA-Z0-9_.-]+$") -STRING_RE = re.compile(r"(" + PATH_RE + r"|[\s:|])(?:\r?\n)?|.") -TOPLEVEL_RE = re.compile(r"([=:#]|\|\|?|^ +|(?:" + PATH_RE + r")+)\s*|.") -VAR_RE=re.compile(r'\$\$|\$\{([^}]*)\}') - -BUILD = 1 -POOL = 2 -RULE = 3 -DEFAULT = 4 -EQUALS = 5 -COLON = 6 -PIPE = 7 -PIPE2 = 8 -IDENT = 9 -INCLUDE = 10 -INDENT = 11 -EOL = 12 - - -class LexerError(Exception): - pass - - -class ParseError(Exception): - pass - - -class NinjaParserEvents(object): - def __init__(self, parser): - self.parser = parser - - def dollar_token(self, word, in_path=False): - return '$$' if word == '$' else word - - def variable_expansion_token(self, varname): - return '${%s}' % varname - - def variable(self, name, arg): - pass - - def begin_file(self): - pass - - def end_file(self): - pass - - def end_scope(self): - pass - - def begin_pool(self, name): - pass - - def begin_rule(self, name): - pass - - def begin_build(self, out, iout, rule, in_, iin, orderdep): - pass - - def default(self, targets): - pass - - -class NinjaParser(object): - - InputFile = namedtuple('InputFile', 'filename iter lineno') - - def __init__(self, filename, input): - self.stack = [] - self.top = None - self.iter = None - self.lineno = None - self.match_keyword = False - self.push(filename, input) - - def file_changed(self): - self.iter = self.top.iter - self.lineno = self.top.lineno - if self.top.filename is not None: - os.chdir(os.path.dirname(self.top.filename) or '.') - - def push(self, filename, input): - if self.top: - self.top.lineno = self.lineno - self.top.iter = self.iter - self.stack.append(self.top) - self.top = self.InputFile(filename=filename or 'stdin', - iter=self._tokens(input), lineno=0) - self.file_changed() - - def pop(self): - if len(self.stack): - self.top = self.stack[-1] - self.stack.pop() - self.file_changed() - else: - self.top = self.iter = None - - def next_line(self, input): - line = next(input).rstrip() - self.lineno += 1 - while len(line) and line[-1] == '$': - line = line[0:-1] + next(input).strip() - self.lineno += 1 - return line - - def print_token(self, tok): - if tok == EOL: - return "end of line" - if tok == BUILD: - return '"build"' - if tok == POOL: - return '"pool"' - if tok == RULE: - return '"rule"' - if tok == DEFAULT: - return '"default"' - if tok == EQUALS: - return '"="' - if tok == COLON: - return '":"' - if tok == PIPE: - return '"|"' - if tok == PIPE2: - return '"||"' - if tok == INCLUDE: - return '"include"' - if tok == IDENT: - return 'identifier' - return '"%s"' % tok - - def error(self, msg): - raise LexerError("%s:%d: %s" % (self.stack[-1].filename, self.lineno, msg)) - - def parse_error(self, msg): - raise ParseError("%s:%d: %s" % (self.stack[-1].filename, self.lineno, msg)) - - def expected(self, expected, tok): - msg = "found %s, expected " % (self.print_token(tok), ) - for i, exp_tok in enumerate(expected): - if i > 0: - msg = msg + (' or ' if i == len(expected) - 1 else ', ') - msg = msg + self.print_token(exp_tok) - self.parse_error(msg) - - def _variable_tokens(self, value): - for m in STRING_RE.finditer(value): - match = m.group(1) - if not match: - self.error("unexpected '%s'" % (m.group(0), )) - yield match - - def _tokens(self, input): - while True: - try: - line = self.next_line(input) - except StopIteration: - return - for m in TOPLEVEL_RE.finditer(line): - match = m.group(1) - if not match: - self.error("unexpected '%s'" % (m.group(0), )) - if match == ':': - yield COLON - continue - if match == '|': - yield PIPE - continue - if match == '||': - yield PIPE2 - continue - if match[0] == ' ': - yield INDENT - continue - if match[0] == '=': - yield EQUALS - value = line[m.start() + 1:].lstrip() - yield from self._variable_tokens(value) - break - if match[0] == '#': - break - - # identifier - if self.match_keyword: - if match == 'build': - yield BUILD - continue - if match == 'pool': - yield POOL - continue - if match == 'rule': - yield RULE - continue - if match == 'default': - yield DEFAULT - continue - if match == 'include': - filename = line[m.start() + 8:].strip() - self.push(filename, open(filename, 'r')) - break - if match == 'subninja': - self.error('subninja is not supported') - yield match - yield EOL - - def parse(self, events): - global_var = True - - def look_for(*expected): - # The last token in the token stream is always EOL. This - # is exploited to avoid catching StopIteration everywhere. - tok = next(self.iter) - if tok not in expected: - self.expected(expected, tok) - return tok - - def look_for_ident(*expected): - tok = next(self.iter) - if isinstance(tok, str): - if not IDENT_RE.match(tok): - self.parse_error('variable expansion not allowed') - elif tok not in expected: - self.expected(expected + (IDENT,), tok) - return tok - - def parse_assignment_rhs(gen, expected, in_path): - tokens = [] - for tok in gen: - if not isinstance(tok, str): - if tok in expected: - break - self.expected(expected + (IDENT,), tok) - if tok[0] != '$': - tokens.append(tok) - elif tok == '$ ' or tok == '$$' or tok == '$:': - tokens.append(events.dollar_token(tok[1], in_path)) - else: - var = tok[2:-1] if tok[1] == '{' else tok[1:] - tokens.append(events.variable_expansion_token(var)) - else: - # gen must have raised StopIteration - tok = None - - if tokens: - # Fast path avoiding str.join() - value = tokens[0] if len(tokens) == 1 else ''.join(tokens) - else: - value = None - return value, tok - - def look_for_path(*expected): - # paths in build rules are parsed one space-separated token - # at a time and expanded - token = next(self.iter) - if not isinstance(token, str): - return None, token - # Fast path if there are no dollar and variable expansion - if SIMPLE_PATH_RE.match(token): - return token, None - gen = self._variable_tokens(token) - return parse_assignment_rhs(gen, expected, True) - - def parse_assignment(tok): - name = tok - assert isinstance(name, str) - look_for(EQUALS) - value, tok = parse_assignment_rhs(self.iter, (EOL,), False) - assert tok == EOL - events.variable(name, value) - - def parse_build(): - # parse outputs - out = [] - iout = [] - while True: - value, tok = look_for_path(COLON, PIPE) - if value is None: - break - out.append(value) - if tok == PIPE: - while True: - value, tok = look_for_path(COLON) - if value is None: - break - iout.append(value) - - # parse rule - assert tok == COLON - rule = look_for_ident() - - # parse inputs and dependencies - in_ = [] - iin = [] - orderdep = [] - while True: - value, tok = look_for_path(PIPE, PIPE2, EOL) - if value is None: - break - in_.append(value) - if tok == PIPE: - while True: - value, tok = look_for_path(PIPE2, EOL) - if value is None: - break - iin.append(value) - if tok == PIPE2: - while True: - value, tok = look_for_path(EOL) - if value is None: - break - orderdep.append(value) - assert tok == EOL - events.begin_build(out, iout, rule, in_, iin, orderdep) - nonlocal global_var - global_var = False - - def parse_pool(): - # pool declarations are ignored. Just gobble all the variables - ident = look_for_ident() - look_for(EOL) - events.begin_pool(ident) - nonlocal global_var - global_var = False - - def parse_rule(): - ident = look_for_ident() - look_for(EOL) - events.begin_rule(ident) - nonlocal global_var - global_var = False - - def parse_default(): - idents = [] - while True: - ident = look_for_ident(EOL) - if ident == EOL: - break - idents.append(ident) - events.default(idents) - - def parse_declaration(tok): - if tok == EOL: - return - - nonlocal global_var - if tok == INDENT: - if global_var: - self.parse_error('indented line outside rule or edge') - tok = look_for_ident(EOL) - if tok == EOL: - return - parse_assignment(tok) - return - - if not global_var: - events.end_scope() - global_var = True - if tok == POOL: - parse_pool() - elif tok == BUILD: - parse_build() - elif tok == RULE: - parse_rule() - elif tok == DEFAULT: - parse_default() - elif isinstance(tok, str): - parse_assignment(tok) - else: - self.expected((POOL, BUILD, RULE, INCLUDE, DEFAULT, IDENT), tok) - - events.begin_file() - while self.iter: - try: - self.match_keyword = True - token = next(self.iter) - self.match_keyword = False - parse_declaration(token) - except StopIteration: - self.pop() - events.end_file() - - -# ---- variable handling ---- - -def expand(x, rule_vars=None, build_vars=None, global_vars=None): - if x is None: - return None - changed = True - have_dollar_replacement = False - while changed: - changed = False - matches = list(VAR_RE.finditer(x)) - if not matches: - break - - # Reverse the match so that expanding later matches does not - # invalidate m.start()/m.end() for earlier ones. Do not reduce $$ to $ - # until all variables are dealt with. - for m in reversed(matches): - name = m.group(1) - if not name: - have_dollar_replacement = True - continue - changed = True - if build_vars and name in build_vars: - value = build_vars[name] - elif rule_vars and name in rule_vars: - value = rule_vars[name] - elif name in global_vars: - value = global_vars[name] - else: - value = '' - x = x[:m.start()] + value + x[m.end():] - return x.replace('$$', '$') if have_dollar_replacement else x - - -class Scope(object): - def __init__(self, events): - self.events = events - - def on_left_scope(self): - pass - - def on_variable(self, key, value): - pass - - -class BuildScope(Scope): - def __init__(self, events, out, iout, rule, in_, iin, orderdep, rule_vars): - super().__init__(events) - self.rule = rule - self.out = [events.expand_and_normalize(x) for x in out] - self.in_ = [events.expand_and_normalize(x) for x in in_] - self.iin = [events.expand_and_normalize(x) for x in iin] - self.orderdep = [events.expand_and_normalize(x) for x in orderdep] - self.iout = [events.expand_and_normalize(x) for x in iout] - self.rule_vars = rule_vars - self.build_vars = dict() - self._define_variable('out', ' '.join(self.out)) - self._define_variable('in', ' '.join(self.in_)) - - def expand(self, x): - return self.events.expand(x, self.rule_vars, self.build_vars) - - def on_left_scope(self): - self.events.variable('out', self.build_vars['out']) - self.events.variable('in', self.build_vars['in']) - self.events.end_build(self, self.out, self.iout, self.rule, self.in_, - self.iin, self.orderdep) - - def _define_variable(self, key, value): - # The value has been expanded already, quote it for further - # expansion from rule variables - value = value.replace('$', '$$') - self.build_vars[key] = value - - def on_variable(self, key, value): - # in and out are at the top of the lookup order and cannot - # be overridden. Also, unlike what the manual says, build - # variables only lookup global variables. They never lookup - # rule variables, earlier build variables, or in/out. - if key not in ('in', 'in_newline', 'out'): - self._define_variable(key, self.events.expand(value)) - - -class RuleScope(Scope): - def __init__(self, events, name, vars_dict): - super().__init__(events) - self.name = name - self.vars_dict = vars_dict - self.generator = False - - def on_left_scope(self): - self.events.end_rule(self, self.name) - - def on_variable(self, key, value): - self.vars_dict[key] = value - if key == 'generator': - self.generator = True - - -class NinjaParserEventsWithVars(NinjaParserEvents): - def __init__(self, parser): - super().__init__(parser) - self.rule_vars = defaultdict(lambda: dict()) - self.global_vars = dict() - self.scope = None - - def variable(self, name, value): - if self.scope: - self.scope.on_variable(name, value) - else: - self.global_vars[name] = self.expand(value) - - def begin_build(self, out, iout, rule, in_, iin, orderdep): - if rule != 'phony' and rule not in self.rule_vars: - self.parser.parse_error("undefined rule '%s'" % rule) - - self.scope = BuildScope(self, out, iout, rule, in_, iin, orderdep, self.rule_vars[rule]) - - def begin_pool(self, name): - # pool declarations are ignored. Just gobble all the variables - self.scope = Scope(self) - - def begin_rule(self, name): - if name in self.rule_vars: - self.parser.parse_error("duplicate rule '%s'" % name) - self.scope = RuleScope(self, name, self.rule_vars[name]) - - def end_scope(self): - self.scope.on_left_scope() - self.scope = None - - # utility functions: - - def expand(self, x, rule_vars=None, build_vars=None): - return expand(x, rule_vars, build_vars, self.global_vars) - - def expand_and_normalize(self, x): - return normpath(self.expand(x)) - - # extra events not present in the superclass: - - def end_build(self, scope, out, iout, rule, in_, iin, orderdep): - pass - - def end_rule(self, scope, name): - pass - - -# ---- test client that just prints back whatever it parsed ---- - -class Writer(NinjaParserEvents): - ARGS = argparse.ArgumentParser(description='Rewrite input build.ninja to stdout.') - - def __init__(self, output, parser, args): - super().__init__(parser) - self.output = output - self.indent = '' - self.had_vars = False - - def dollar_token(self, word, in_path=False): - return '$' + word - - def print(self, *args, **kwargs): - if len(args): - self.output.write(self.indent) - print(*args, **kwargs, file=self.output) - - def variable(self, name, value): - self.print('%s = %s' % (name, value)) - self.had_vars = True - - def begin_scope(self): - self.indent = ' ' - self.had_vars = False - - def end_scope(self): - if self.had_vars: - self.print() - self.indent = '' - self.had_vars = False - - def begin_pool(self, name): - self.print('pool %s' % name) - self.begin_scope() - - def begin_rule(self, name): - self.print('rule %s' % name) - self.begin_scope() - - def begin_build(self, outputs, implicit_outputs, rule, inputs, implicit, order_only): - all_outputs = list(outputs) - all_inputs = list(inputs) - - if implicit: - all_inputs.append('|') - all_inputs.extend(implicit) - if order_only: - all_inputs.append('||') - all_inputs.extend(order_only) - if implicit_outputs: - all_outputs.append('|') - all_outputs.extend(implicit_outputs) - - self.print('build %s: %s' % (' '.join(all_outputs), - ' '.join([rule] + all_inputs))) - self.begin_scope() - - def default(self, targets): - self.print('default %s' % ' '.join(targets)) - - -# ---- emit compile_commands.json ---- - -class Compdb(NinjaParserEventsWithVars): - ARGS = argparse.ArgumentParser(description='Emit compile_commands.json.') - ARGS.add_argument('rules', nargs='*', - help='The ninja rules to emit compilation commands for.') - - def __init__(self, output, parser, args): - super().__init__(parser) - self.output = output - self.rules = args.rules - self.sep = '' - - def begin_file(self): - self.output.write('[') - self.directory = os.getcwd() - - def print_entry(self, **entry): - entry['directory'] = self.directory - self.output.write(self.sep + json.dumps(entry)) - self.sep = ',\n' - - def begin_build(self, out, iout, rule, in_, iin, orderdep): - if in_ and rule in self.rules: - super().begin_build(out, iout, rule, in_, iin, orderdep) - else: - self.scope = Scope(self) - - def end_build(self, scope, out, iout, rule, in_, iin, orderdep): - self.print_entry(command=scope.expand('${command}'), file=in_[0]) - - def end_file(self): - self.output.write(']\n') - - -# ---- clean output files ---- - -class Clean(NinjaParserEventsWithVars): - ARGS = argparse.ArgumentParser(description='Remove output build files.') - ARGS.add_argument('-g', dest='generator', action='store_true', - help='clean generated files too') - - def __init__(self, output, parser, args): - super().__init__(parser) - self.dry_run = args.dry_run - self.verbose = args.verbose or args.dry_run - self.generator = args.generator - - def begin_file(self): - print('Cleaning... ', end=(None if self.verbose else ''), flush=True) - self.cnt = 0 - - def end_file(self): - print('%d files' % self.cnt) - - def do_clean(self, *files): - for f in files: - if self.dry_run: - if os.path.exists(f): - self.cnt += 1 - print('Would remove ' + f) - continue - else: - try: - if os.path.isdir(f): - shutil.rmtree(f) - else: - os.unlink(f) - self.cnt += 1 - if self.verbose: - print('Removed ' + f) - except FileNotFoundError: - pass - - def end_build(self, scope, out, iout, rule, in_, iin, orderdep): - if rule == 'phony': - return - if self.generator: - rspfile = scope.expand('${rspfile}') - if rspfile: - self.do_clean(rspfile) - if self.generator or not scope.expand('${generator}'): - self.do_clean(*out, *iout) - depfile = scope.expand('${depfile}') - if depfile: - self.do_clean(depfile) - - -# ---- convert build.ninja to makefile ---- - -class Ninja2Make(NinjaParserEventsWithVars): - ARGS = argparse.ArgumentParser(description='Convert build.ninja to a Makefile.') - ARGS.add_argument('--clean', dest='emit_clean', action='store_true', - help='Emit clean/distclean rules.') - ARGS.add_argument('--doublecolon', action='store_true', - help='Emit double-colon rules for phony targets.') - ARGS.add_argument('--omit', metavar='TARGET', nargs='+', - help='Targets to omit.') - - def __init__(self, output, parser, args): - super().__init__(parser) - self.output = output - - self.emit_clean = args.emit_clean - self.doublecolon = args.doublecolon - self.omit = set(args.omit) - - if self.emit_clean: - self.omit.update(['clean', 'distclean']) - - # Lists of targets are kept in memory and emitted only at the - # end because appending is really inefficient in GNU make. - # We only do it when it's O(#rules) or O(#variables), but - # never when it could be O(#targets). - self.depfiles = list() - self.rspfiles = list() - self.build_vars = defaultdict(lambda: dict()) - self.rule_targets = defaultdict(lambda: list()) - self.stamp_targets = defaultdict(lambda: list()) - self.all_outs = set() - self.all_ins = set() - self.all_phony = set() - self.seen_default = False - - def print(self, *args, **kwargs): - print(*args, **kwargs, file=self.output) - - def dollar_token(self, word, in_path=False): - if in_path and word == ' ': - self.parser.parse_error('Make does not support spaces in filenames') - return '$$' if word == '$' else word - - def print_phony(self, outs, ins): - targets = ' '.join(outs).replace('$', '$$') - deps = ' '.join(ins).replace('$', '$$') - deps = deps.strip() - if self.doublecolon: - self.print(targets + '::' + (' ' if deps else '') + deps + ';@:') - else: - self.print(targets + ':' + (' ' if deps else '') + deps) - self.all_phony.update(outs) - - def begin_file(self): - self.print(r'# This is an automatically generated file, and it shows.') - self.print(r'ninja-default:') - self.print(r'.PHONY: ninja-default ninja-clean ninja-distclean') - if self.emit_clean: - self.print(r'ninja-clean:: ninja-clean-start; $(if $V,,@)rm -f ${ninja-depfiles}') - self.print(r'ninja-clean-start:; $(if $V,,@echo Cleaning...)') - self.print(r'ninja-distclean:: clean; $(if $V,,@)rm -f ${ninja-rspfiles}') - self.print(r'.PHONY: ninja-clean-start') - self.print_phony(['clean'], ['ninja-clean']) - self.print_phony(['distclean'], ['ninja-distclean']) - self.print(r'vpath') - self.print(r'NULL :=') - self.print(r'SPACE := ${NULL} #') - self.print(r'MAKEFLAGS += -rR') - self.print(r'define NEWLINE') - self.print(r'') - self.print(r'endef') - self.print(r'.var.in_newline = $(subst $(SPACE),$(NEWLINE),${.var.in})') - self.print(r"ninja-command = $(if $V,,$(if ${.var.description},@printf '%s\n' '$(subst ','\'',${.var.description})' && ))${.var.command}") - self.print(r"ninja-command-restat = $(if $V,,$(if ${.var.description},@printf '%s\n' '$(subst ','\'',${.var.description})' && ))${.var.command} && if test -e $(firstword ${.var.out}); then printf '%s\n' ${.var.out} > $@; fi") - - def end_file(self): - def natural_sort_key(s, _nsre=re.compile('([0-9]+)')): - return [int(text) if text.isdigit() else text.lower() - for text in _nsre.split(s)] - - self.print() - self.print('ninja-outputdirs :=') - for rule in self.rule_vars: - if rule == 'phony': - continue - self.print('ninja-targets-%s := %s' % (rule, ' '.join(self.rule_targets[rule]))) - self.print('ninja-stamp-%s := %s' % (rule, ' '.join(self.stamp_targets[rule]))) - self.print('ninja-outputdirs += $(sort $(dir ${ninja-targets-%s}))' % rule) - self.print() - self.print('dummy := $(shell mkdir -p . $(sort $(ninja-outputdirs)))') - self.print('ninja-depfiles :=' + ' '.join(self.depfiles)) - self.print('ninja-rspfiles :=' + ' '.join(self.rspfiles)) - self.print('-include ${ninja-depfiles}') - self.print() - for targets in self.build_vars: - for name, value in self.build_vars[targets].items(): - self.print('%s: private .var.%s := %s' % - (targets, name, value.replace('$', '$$'))) - self.print() - if not self.seen_default: - default_targets = sorted(self.all_outs - self.all_ins, key=natural_sort_key) - self.print('ninja-default: ' + ' '.join(default_targets)) - - # This is a hack... Meson declares input meson.build files as - # phony, because Ninja does not have an equivalent of Make's - # "path/to/file:" declaration that ignores "path/to/file" even - # if it is absent. However, Makefile.ninja wants to depend on - # build.ninja, which in turn depends on these phony targets which - # would cause Makefile.ninja to be rebuilt in a loop. - phony_targets = sorted(self.all_phony - self.all_ins, key=natural_sort_key) - self.print('.PHONY: ' + ' '.join(phony_targets)) - - def variable(self, name, value): - super().variable(name, value) - if self.scope is None: - self.global_vars[name] = self.expand(value) - self.print('.var.%s := %s' % (name, self.global_vars[name])) - - def begin_build(self, out, iout, rule, in_, iin, orderdep): - if any(x in self.omit for x in out): - self.scope = Scope(self) - return - - super().begin_build(out, iout, rule, in_, iin, orderdep) - self.current_targets = ' '.join(self.scope.out + self.scope.iout).replace('$', '$$') - - def end_build(self, scope, out, iout, rule, in_, iin, orderdep): - self.rule_targets[rule] += self.scope.out - self.rule_targets[rule] += self.scope.iout - - self.all_outs.update(self.scope.iout) - self.all_outs.update(self.scope.out) - self.all_ins.update(self.scope.in_) - self.all_ins.update(self.scope.iin) - - targets = self.current_targets - self.current_targets = None - if rule == 'phony': - # Phony rules treat order-only dependencies as normal deps - self.print_phony(out + iout, in_ + iin + orderdep) - return - - inputs = ' '.join(in_ + iin).replace('$', '$$') - orderonly = ' '.join(orderdep).replace('$', '$$') - - rspfile = scope.expand('${rspfile}') - if rspfile: - rspfile_content = scope.expand('${rspfile_content}') - with open(rspfile, 'w') as f: - f.write(rspfile_content) - inputs += ' ' + rspfile - self.rspfiles.append(rspfile) - - restat = 'restat' in self.scope.build_vars or 'restat' in self.rule_vars[rule] - depfile = scope.expand('${depfile}') - build_vars = { - 'command': scope.expand('${command}'), - 'description': scope.expand('${description}'), - 'out': scope.expand('${out}') - } - - if restat and not depfile: - if len(out) == 1: - stamp = out[0] + '.stamp' - else: - stamp = '%s@%s.stamp' % (rule, sha1_text(targets)[0:11]) - self.print('%s: %s; @:' % (targets, stamp)) - self.print('ifneq (%s, $(wildcard %s))' % (targets, targets)) - self.print('.PHONY: %s' % (stamp, )) - self.print('endif') - self.print('%s: %s | %s; ${ninja-command-restat}' % (stamp, inputs, orderonly)) - self.rule_targets[rule].append(stamp) - self.stamp_targets[rule].append(stamp) - self.build_vars[stamp] = build_vars - else: - self.print('%s: %s | %s; ${ninja-command}' % (targets, inputs, orderonly)) - self.build_vars[targets] = build_vars - if depfile: - self.depfiles.append(depfile) - - def end_rule(self, scope, name): - # Note that the generator pseudo-variable could also be attached - # to a build block rather than a rule. This is not handled here - # in order to reduce the number of "rm" invocations. However, - # "ninjatool.py -t clean" does that correctly. - target = 'distclean' if scope.generator else 'clean' - self.print('ninja-%s:: ; $(if $V,,@)rm -f ${ninja-stamp-%s}' % (target, name)) - if self.emit_clean: - self.print('ninja-%s:: ; $(if $V,,@)rm -rf ${ninja-targets-%s}' % (target, name)) - - def default(self, targets): - self.print("ninja-default: " + ' '.join(targets)) - self.seen_default = True - - -# ---- command line parsing ---- - -# we cannot use subparsers because tools are chosen through the "-t" -# option. - -class ToolAction(argparse.Action): - def __init__(self, option_strings, dest, choices, metavar='TOOL', nargs=None, **kwargs): - if nargs is not None: - raise ValueError("nargs not allowed") - super().__init__(option_strings, dest, required=True, choices=choices, - metavar=metavar, **kwargs) - - def __call__(self, parser, namespace, value, option_string): - tool = self.choices[value] - setattr(namespace, self.dest, tool) - tool.ARGS.prog = '%s %s %s' % (parser.prog, option_string, value) - - -class ToolHelpAction(argparse.Action): - def __init__(self, option_strings, dest, nargs=None, **kwargs): - if nargs is not None: - raise ValueError("nargs not allowed") - super().__init__(option_strings, dest, nargs=0, **kwargs) - - def __call__(self, parser, namespace, values, option_string=None): - if namespace.tool: - namespace.tool.ARGS.print_help() - else: - parser.print_help() - parser.exit() - - -tools = { - 'test': Writer, - 'ninja2make': Ninja2Make, - 'compdb': Compdb, - 'clean': Clean, -} - -parser = argparse.ArgumentParser(description='Process and transform build.ninja files.', - add_help=False) -parser.add_argument('-C', metavar='DIR', dest='dir', default='.', - help='change to DIR before doing anything else') -parser.add_argument('-f', metavar='FILE', dest='file', default='build.ninja', - help='specify input build file [default=build.ninja]') -parser.add_argument('-n', dest='dry_run', action='store_true', - help='do not actually do anything') -parser.add_argument('-v', dest='verbose', action='store_true', - help='be more verbose') - -parser.add_argument('-t', dest='tool', choices=tools, action=ToolAction, - help='choose the tool to run') -parser.add_argument('-h', '--help', action=ToolHelpAction, - help='show this help message and exit') - -if len(sys.argv) >= 2 and sys.argv[1] == '--version': - print('1.8') - sys.exit(0) - -args, tool_args = parser.parse_known_args() -args.tool.ARGS.parse_args(tool_args, args) - -os.chdir(args.dir) -with open(args.file, 'r') as f: - parser = NinjaParser(args.file, f) - try: - events = args.tool(sys.stdout, parser, args) - except InvalidArgumentError as e: - parser.error(str(e)) - parser.parse(events) |