1 files changed, 107 insertions, 0 deletions
diff --git a/scripts/ScintillaAPIFacer.py b/scripts/ScintillaAPIFacer.py
new file mode 100644
index 000000000..1d8463f18
--- /dev/null
+++ b/scripts/ScintillaAPIFacer.py
@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+# ScintillaAPIFacer.py - regenerate the ScintillaTypes.h, and ScintillaMessages.h
+# from the Scintilla.iface interface definition file.
+# Implemented 2019 by Neil Hodgson neilh@scintilla.org
+# Requires Python 3.6 or later
+
+import Face
+import FileGenerator
+
+def HMessages(f):
+	out = ["enum class Message {"]
+	for name in f.order:
+		v = f.features[name]
+		if v["Category"] != "Deprecated":
+			if v["FeatureType"] in ["fun", "get", "set"]:
+				out.append("\t" + name + " = " + v["Value"] + ",")
+	out.append("};")
+	return out
+
+deadValues = [
+	"INDIC_CONTAINER",
+	"INDIC_IME",
+	"INDIC_IME_MAX",
+	"INDIC_MAX",
+]
+
+def HEnumerations(f):
+	out = []
+	for name in f.order:
+		v = f.features[name]
+		if v["Category"] != "Deprecated":
+			# Only want non-deprecated enumerations and lexers are not part of Scintilla API
+			if v["FeatureType"] in ["enu"] and name != "Lexer":
+				out.append("")
+				prefixes = v["Value"].split()
+				#out.append("enum class " + name + " {" + " // " + ",".join(prefixes))
+				out.append("enum class " + name + " {")
+				for valueName in f.order:
+					prefixMatched = ""
+					for p in prefixes:
+						if valueName.startswith(p) and valueName not in deadValues:
+							prefixMatched = p
+					if prefixMatched:
+						vEnum = f.features[valueName]
+						valueNameNoPrefix = ""
+						if valueName in f.aliases:
+							valueNameNoPrefix = f.aliases[valueName]
+						else:
+							valueNameNoPrefix = valueName[len(prefixMatched):]
+							if not valueNameNoPrefix:	# Removed whole name
+								valueNameNoPrefix = valueName
+							if valueNameNoPrefix.startswith("SC_"):
+								valueNameNoPrefix = valueNameNoPrefix[len("SC_"):]
+						pascalName = Face.PascalCase(valueNameNoPrefix)
+						out.append("\t" + pascalName + " = " + vEnum["Value"] + ",")
+				out.append("};")
+
+	out.append("")
+	out.append("enum class Notification {")
+	for name in f.order:
+		v = f.features[name]
+		if v["Category"] != "Deprecated":
+			if v["FeatureType"] in ["evt"]:
+				out.append("\t" + name + " = " + v["Value"] + ",")
+	out.append("};")
+
+	return out
+
+def HConstants(f):
+	# Constants not in an eumeration
+	out = []
+	allEnumPrefixes = [
+		"SCE_", # Lexical styles
+		"SCI_", # Message number allocation
+		"SCEN_", # Notifications sent with WM_COMMAND
+	]
+	for _n, v in f.features.items():
+		if v["Category"] != "Deprecated":
+			# Only want non-deprecated enumerations and lexers are not part of Scintilla API
+			if v["FeatureType"] in ["enu"]:
+				allEnumPrefixes.extend(v["Value"].split())
+	for name in f.order:
+		v = f.features[name]
+		if v["Category"] != "Deprecated":
+			# Only want non-deprecated enumerations and lexers are not part of Scintilla API
+			if v["FeatureType"] in ["val"]:
+				hasPrefix = False
+				for prefix in allEnumPrefixes:
+					if name.startswith(prefix):
+						hasPrefix = True
+				if not hasPrefix:
+					if name.startswith("SC_"):
+						name = name[3:]
+					type = "int"
+					if name == "INVALID_POSITION":
+						type = "Position"
+					out.append("constexpr " + type + " " + Face.PascalCase(name) + " = " + v["Value"] + ";")
+	return out
+
+def RegenerateAll(root):
+	f = Face.Face()
+	f.ReadFromFile(root + "include/Scintilla.iface")
+	FileGenerator.Regenerate(root + "include/ScintillaMessages.h", "//", HMessages(f))
+	FileGenerator.Regenerate(root + "include/ScintillaTypes.h", "//", HEnumerations(f), HConstants(f))
+
+if __name__ == "__main__":
+	RegenerateAll("../")