#41 Add GDScript support

Heavily borrowed from the python lexer because GDScript is heavily inspired by python.

cppcheck.suppress

@@ -41,6 +41,7 @@ knownConditionTrueFalse:lexilla/lexers/LexEScript.cxx
 constParameter:lexilla/lexers/LexFortran.cxx
 redundantCondition:lexilla/lexers/LexFSharp.cxx
 knownConditionTrueFalse:lexilla/lexers/LexFSharp.cxx
+constParameter:lexilla/lexers/LexGDScript.cxx
 variableScope:lexilla/lexers/LexGui4Cli.cxx
 constParameter:lexilla/lexers/LexHaskell.cxx
 constParameter:lexilla/lexers/LexHex.cxx
@@ -105,6 +106,7 @@ knownConditionTrueFalse:lexilla/lexers/LexYAML.cxx
 // These are due to Accessor::IndentAmount not declaring the callback as taking a const.
 // Changing this could cause problems for downstream projects.
 constParameterCallback:lexilla/lexers/LexEiffel.cxx
+constParameterCallback:lexilla/lexers/LexGDScript.cxx
 constParameterCallback:lexilla/lexers/LexPython.cxx
 constParameterCallback:lexilla/lexers/LexScriptol.cxx
 constParameterCallback:lexilla/lexers/LexVB.cxx

doc/LexillaHistory.html

@@ -573,6 +573,7 @@ <h2>Contributors</h2>
       </tr><tr>
 	<td>Michael Heath</td>
 	<td>Antonio Cebrián</td>
+	<td>David Yu Yang</td>
     </tr>
     </table>
     <h2>Releases</h2>
@@ -588,6 +589,11 @@ <h3>
 	<a href="https://github.com/ScintillaOrg/lexilla/pull/39">Pull request #39</a>.
 	</li>
 	<li>
+	Add provisional GDScript lexer.
+	Some behaviour and lexical states may change before this lexer is stable.
+	<a href="https://github.com/ScintillaOrg/lexilla/pull/41">Pull request #41</a>.
+	</li>
+	<li>
 	Fix strings ending in escaped '\' in F#.
 	<a href="https://github.com/ScintillaOrg/lexilla/issues/38">Issue #38</a>,
 	</li>

include/LexicalStyles.iface

@@ -143,13 +143,15 @@ val SCLEX_RAKU=131
 val SCLEX_FSHARP=132
 val SCLEX_JULIA=133
 val SCLEX_ASCIIDOC=134
+val SCLEX_GDSCRIPT=135
 
 # When a lexer specifies its language as SCLEX_AUTOMATIC it receives a
 # value assigned in sequence from SCLEX_AUTOMATIC+1.
 val SCLEX_AUTOMATIC=1000
 # Lexical states for SCLEX_PYTHON
 lex Python=SCLEX_PYTHON SCE_P_
 lex Nimrod=SCLEX_NIMROD SCE_P_
+lex GDScript=SCLEX_GDSCRIPT SCE_P_
 val SCE_P_DEFAULT=0
 val SCE_P_COMMENTLINE=1
 val SCE_P_NUMBER=2
@@ -2277,4 +2279,3 @@ val SCE_ASCIIDOC_LITERALBK=20
 val SCE_ASCIIDOC_ATTRIB=21
 val SCE_ASCIIDOC_ATTRIBVAL=22
 val SCE_ASCIIDOC_MACRO=23
-

include/SciLexer.h

@@ -147,6 +147,7 @@
 #define SCLEX_FSHARP 132
 #define SCLEX_JULIA 133
 #define SCLEX_ASCIIDOC 134
+#define SCLEX_GDSCRIPT 135
 #define SCLEX_AUTOMATIC 1000
 #define SCE_P_DEFAULT 0
 #define SCE_P_COMMENTLINE 1