JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / generate-js-builtins

diff --git a/generate-js-builtins b/generate-js-builtins
index 613a207b133b84757fee7129a5081bad60cd1c05..446b4971ee24442e5594777e3146bc8d50b7cf89 100644 (file)
--- a/generate-js-builtins
+++ b/generate-js-builtins
@@ -22,6 +22,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+import argparse
 import filecmp
 import fnmatch
 import os
@@ -31,6 +32,12 @@ import sys
 import datetime
 import json
 
+parser = argparse.ArgumentParser()
+parser.add_argument('input_file', nargs='*', help='Input JS files which builtins generated from')
+parser.add_argument('--input-directory', help='All JS files will be used as input from this directory.')
+parser.add_argument('--output', help='path to output cpp or h file')
+args = parser.parse_args()
+
 copyrightText = """ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -59,7 +66,7 @@ generatorString = "/* Generated by %s do not hand edit. */\n" % os.path.basename
 
 functionHeadRegExp = re.compile(r"function\s+\w+\s*\(.*?\)", re.MULTILINE | re.S)
 functionNameRegExp = re.compile(r"function\s+(\w+)\s*\(", re.MULTILINE | re.S)
-functionParameterFinder = re.compile(r"^function\s+(?:\w+)\s*\(((?:\s*\w+)?\s*(?:\s*,\s*\w+)*)?\)", re.MULTILINE | re.S)
+functionParameterFinder = re.compile(r"^function\s+(?:\w+)\s*\(((?:\s*\w+)?\s*(?:\s*,\s*\w+)*)?\s*\)", re.MULTILINE | re.S)
 
 multilineCommentRegExp = re.compile(r"\/\*.*?\*\/", re.MULTILINE | re.S)
 singleLineCommentRegExp = re.compile(r"\/\/.*?\n", re.MULTILINE | re.S)
@@ -151,13 +158,14 @@ def mangleName(object, name):
     return mangledName
 
 builtins = []
+copyrights = []
+(output_base, _) = os.path.splitext(args.output)
 
-baseName = sys.argv[-1]
-builtin_definitions = sys.argv[1:-1]
-(output_base, _) = os.path.splitext(sys.argv[-1])
+if args.input_directory:
+    for file in os.listdir(args.input_directory):
+        args.input_file.append(os.path.join(args.input_directory, file))
 
-copyrights = []
-for file in builtin_definitions:
+for file in args.input_file:
     if fnmatch.fnmatch(file, '*.js'):
         (baseName, functions, objectCopyrights) = generateCode(file)
         copyrights.extend(objectCopyrights)
@@ -264,24 +272,10 @@ for (codeReference, name, source) in codeReferences:
     builtinsImplementation.write("const int s_%sLength = %d;\n\n" % (codeReference, sourceLength + 1)) # + 1 for \n
 
 builtinsImplementation.write("""
-FunctionExecutable* createBuiltinExecutable(VM& vm, UnlinkedFunctionExecutable* unlinkedExecutable, const SourceCode& source)
-{
-    unsigned lineCount = unlinkedExecutable->lineCount();
-    unsigned startColumn = 1;
-    unsigned sourceLength = unlinkedExecutable->sourceLength();
-    bool endColumnIsOnStartLine = !lineCount;
-    unsigned endColumnExcludingBraces = unlinkedExecutable->unlinkedBodyEndColumn() + (endColumnIsOnStartLine ? 0 : 1);
-    unsigned startOffset = unlinkedExecutable->startOffset();
-    unsigned startOffsetExcludingOpenBrace = startOffset + 1;
-    unsigned endOffsetExcludingCloseBrace = startOffset + sourceLength - 1;
-    SourceCode bodySource(source.provider(), startOffsetExcludingOpenBrace, endOffsetExcludingCloseBrace, 0, startColumn);
-    return FunctionExecutable::create(vm, bodySource, unlinkedExecutable, 0, lineCount, startColumn, endColumnExcludingBraces, false);
-}
-
 #define JSC_DEFINE_BUILTIN_GENERATOR(codeName, functionName, argumentCount) \\
 FunctionExecutable* codeName##Generator(VM& vm) \\
 { \\
-    return createBuiltinExecutable(vm, vm.builtinExecutables()->codeName##Executable(), vm.builtinExecutables()->codeName##Source()); \\
+    return vm.builtinExecutables()->codeName##Executable()->link(vm, vm.builtinExecutables()->codeName##Source()); \\
 }
 
 JSC_FOREACH_BUILTIN(JSC_DEFINE_BUILTIN_GENERATOR)
@@ -294,11 +288,15 @@ builtinsHeader.close()
 builtinsImplementation.close()
 
 if (not os.path.exists(output_base + ".h")) or (not filecmp.cmp(output_base + ".h.tmp", output_base + ".h", shallow=False)):
+    if (os.path.exists(output_base + ".h")):
+        os.remove(output_base + ".h")
     os.rename(output_base + ".h.tmp", output_base + ".h")
 else:
     os.remove(output_base + ".h.tmp")
 
 if (not os.path.exists(output_base + ".cpp")) or (not filecmp.cmp(output_base + ".cpp.tmp", output_base + ".cpp", shallow=False)):
+    if (os.path.exists(output_base + ".cpp")):
+        os.remove(output_base + ".cpp")
     os.rename(output_base + ".cpp.tmp", output_base + ".cpp")
 else:
     os.remove(output_base + ".cpp.tmp")