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[tyndur-devel] [PATCH] kedit: Syntax-Highlighting für Pascal
Syntax-Highlighting umgestrickt
* kedit: Aufteilung in syntax.pas, syntax_*.pas für verschiedene Syntaxdateien
* kedit: syntax.pas, Klasse TSyntax
+ kedit: syntax_c.pas, Klasse TSyntax_C
Signed-off-by: Alexander Hartmut Kluth <hartmut@xxxxxxxxxx>
---
src/modules/pas/kedit/syntax.pas | 195 ++----------------------------------
src/modules/pas/kedit/syntax_c.pas | 197 ++++++++++++++++++++++++++++++++++++
2 files changed, 206 insertions(+), 186 deletions(-)
create mode 100644 src/modules/pas/kedit/syntax_c.pas
diff --git a/src/modules/pas/kedit/syntax.pas b/src/modules/pas/kedit/syntax.pas
index b382265..0f9950e 100644
--- a/src/modules/pas/kedit/syntax.pas
+++ b/src/modules/pas/kedit/syntax.pas
@@ -29,30 +29,18 @@ type
property GetState: integer read f_state;
end;
- TSyntax_C = class(TSyntax)
- public
- procedure StartLine(s: String; state: integer); override;
- function Next: TSyntaxChange; override;
- end;
-
function SyntaxColor(c: TSyntaxColor): byte;
function SyntaxBgColor(c: TSyntaxColor): byte;
+function Matches(s: String; pos: integer; pattern: String): boolean;
+function MatchesNumber(s: string; pos: integer): integer;
+function MatchesKeyword(s: string; pos: integer; p: Array of String): integer;
+function MatchesLabel(s: string; pos: integer): integer;
+function MatchesType(s: string; pos: integer): integer;
+function MatchesTrailingSpace(s: string; pos: integer): boolean;
implementation
-
-const
- Keywords_C: Array [1..15] of String = (
- 'if', 'else', 'for', 'while', 'do', 'switch', 'case', 'default', 'goto',
- 'break', 'continue', 'return', 'sizeof', 'typedef', 'asm'
- );
- Types_C: Array [1..17] of String = (
- 'void', 'char', 'short', 'int', 'long', 'signed', 'unsigned', 'float', 'double',
- 'static', 'inline', 'extern', 'enum', 'struct', 'union', 'volatile', 'const'
- );
-
-
function SyntaxColor(c: TSyntaxColor): byte;
begin
case c of
@@ -70,6 +58,7 @@ begin
exit(8);
end;
+
function SyntaxBgColor(c: TSyntaxColor): byte;
begin
case c of
@@ -79,11 +68,13 @@ begin
exit(0);
end;
+
function Matches(s: String; pos: integer; pattern: String): boolean;
begin
Matches := (Copy(s, pos, length(pattern)) = pattern);
end;
+
function MatchesNumber(s: String; pos: integer): integer;
var
i: integer;
@@ -261,172 +252,4 @@ begin
color := c;
end;
-procedure TSyntax_C.StartLine(s: String; state: integer);
-begin
- line := s;
- f_state := state;
- pos := 1;
-
- case f_state of
- 1: color := syn_comment;
- 2: color := syn_comment;
- 3: color := syn_number;
- 4: color := syn_string;
- 5: color := syn_string_special;
- 6: color := syn_keyword;
- 7: color := syn_type;
- 8: color := syn_label;
- else color := syn_other;
- end;
-end;
-
-function TSyntax_C.Next: TSyntaxChange;
-var
- c: char;
- tmp: integer;
-begin
- Next.posY := 0;
- Next.color := color;
-
- while pos <= length(line) do begin
- c := line[pos];
-
- case f_state of
-
- 0: { Normaler Text }
- case c of
- '/':
- if Matches(line, pos, '//') then begin
- f_state := 1;
- exit(Highlight(syn_comment));
- end else if Matches(line, pos, '/*') then begin
- f_state := 2;
- exit(Highlight(syn_comment));
- end;
-
- '0' .. '9', '-', '+':
- begin
- tmp := MatchesNumber(line, pos);
- if tmp <> 0 then begin
- Next := Highlight(syn_number);
- Inc(pos, tmp);
- f_state := 3;
- exit;
- end;
- end;
-
- '#':
- begin
- if Copy(line, 1, pos - 1) = Space(pos - 1) then begin
- f_state := 1;
- exit(Highlight(syn_compiler));
- end;
- end;
-
- '"':
- begin
- Next := Highlight(syn_string);
- Inc(pos);
- f_state := 4;
- exit;
- end;
- ' ':
- begin
- if MatchesTrailingSpace(line, pos) then begin
- Next := Highlight(syn_trailing_space);
- pos := length(line) + 1;
- exit;
- end;
- end;
-
- else
- begin
- tmp := MatchesKeyword(line, pos, Keywords_C);
- if tmp <> 0 then begin
- Next := Highlight(syn_keyword);
- Inc(pos, tmp);
- f_state := 6;
- exit;
- end;
-
- tmp := MatchesKeyword(line, pos, Types_C);
- if tmp <> 0 then begin
- Next := Highlight(syn_type);
- Inc(pos, tmp);
- f_state := 7;
- exit;
- end;
-
- tmp := MatchesType(line, pos);
- if tmp <> 0 then begin
- Next := Highlight(syn_type);
- Inc(pos, tmp);
- f_state := 7;
- exit;
- end;
-
- tmp := MatchesLabel(line, pos);
- if tmp <> 0 then begin
- Next := Highlight(syn_label);
- Inc(pos, tmp);
- f_state := 8;
- exit;
- end;
- end;
- end;
-
- 1: { Kommentar bis Zeilenende }
- begin
- pos := length(line);
- break;
- end;
-
- 2: { C-Kommentar }
- if Matches(line, pos, '*/') then begin
- f_state := 0;
- Inc(pos, 2);
- exit(Highlight(syn_other));
- end;
-
- 3, 6, 7, 8: { Ende eines gefaerbten Worts }
- begin
- f_state := 0;
- exit(Highlight(syn_other));
- end;
-
- 4: { String }
- case c of
- '\':
- begin
- f_state := 5;
- Next := Highlight(syn_string_special);
- Inc(pos);
- exit;
- end;
-
- '"':
- begin
- f_state := 0;
- Inc(pos);
- exit(Highlight(syn_other));
- end;
- end;
-
- 5: { Escaptes Zeichen in einem String }
- begin
- f_state := 4;
- Inc(pos);
- exit(Highlight(syn_string));
- end;
-
- end;
-
- Inc(pos);
- end;
-
- if f_state in [1, 3, 4, 5] then begin
- f_state := 0;
- end;
-end;
-
end.
diff --git a/src/modules/pas/kedit/syntax_c.pas b/src/modules/pas/kedit/syntax_c.pas
new file mode 100644
index 0000000..f7662cc
--- /dev/null
+++ b/src/modules/pas/kedit/syntax_c.pas
@@ -0,0 +1,197 @@
+unit syntax_c;
+{$mode ObjFPC}
+
+interface
+
+uses syntax;
+
+type
+ TSyntax_C = class(TSyntax)
+ public
+ procedure StartLine(s: String; state: integer); override;
+ function Next: TSyntaxChange; override;
+ end;
+
+
+implementation
+const
+ Keywords_C: Array [1..15] of String = (
+ 'if', 'else', 'for', 'while', 'do', 'switch', 'case', 'default', 'goto',
+ 'break', 'continue', 'return', 'sizeof', 'typedef', 'asm'
+ );
+
+ Types_C: Array [1..17] of String = (
+ 'void', 'char', 'short', 'int', 'long', 'signed', 'unsigned', 'float', 'double',
+ 'static', 'inline', 'extern', 'enum', 'struct', 'union', 'volatile', 'const'
+ );
+
+procedure TSyntax_C.StartLine(s: String; state: integer);
+begin
+ line := s;
+ f_state := state;
+ pos := 1;
+
+ case f_state of
+ 1: color := syn_comment;
+ 2: color := syn_comment;
+ 3: color := syn_number;
+ 4: color := syn_string;
+ 5: color := syn_string_special;
+ 6: color := syn_keyword;
+ 7: color := syn_type;
+ 8: color := syn_label;
+ else color := syn_other;
+ end;
+end;
+
+
+function TSyntax_C.Next: TSyntaxChange;
+var
+ c: char;
+ tmp: integer;
+begin
+ Next.posY := 0;
+ Next.color := color;
+
+ while pos <= length(line) do begin
+ c := line[pos];
+
+ case f_state of
+
+ 0: { Normaler Text }
+ case c of
+ '/':
+ if Matches(line, pos, '//') then begin
+ f_state := 1;
+ exit(Highlight(syn_comment));
+ end else if Matches(line, pos, '/*') then begin
+ f_state := 2;
+ exit(Highlight(syn_comment));
+ end;
+
+ '0' .. '9', '-', '+':
+ begin
+ tmp := MatchesNumber(line, pos);
+ if tmp <> 0 then begin
+ Next := Highlight(syn_number);
+ Inc(pos, tmp);
+ f_state := 3;
+ exit;
+ end;
+ end;
+
+ '#':
+ begin
+ if Copy(line, 1, pos - 1) = Space(pos - 1) then begin
+ f_state := 1;
+ exit(Highlight(syn_compiler));
+ end;
+ end;
+
+ '"':
+ begin
+ Next := Highlight(syn_string);
+ Inc(pos);
+ f_state := 4;
+ exit;
+ end;
+ ' ':
+ begin
+ if MatchesTrailingSpace(line, pos) then begin
+ Next := Highlight(syn_trailing_space);
+ pos := length(line) + 1;
+ exit;
+ end;
+ end;
+
+ else
+ begin
+ tmp := MatchesKeyword(line, pos, Keywords_C);
+ if tmp <> 0 then begin
+ Next := Highlight(syn_keyword);
+ Inc(pos, tmp);
+ f_state := 6;
+ exit;
+ end;
+
+ tmp := MatchesKeyword(line, pos, Types_C);
+ if tmp <> 0 then begin
+ Next := Highlight(syn_type);
+ Inc(pos, tmp);
+ f_state := 7;
+ exit;
+ end;
+
+ tmp := MatchesType(line, pos);
+ if tmp <> 0 then begin
+ Next := Highlight(syn_type);
+ Inc(pos, tmp);
+ f_state := 7;
+ exit;
+ end;
+
+ tmp := MatchesLabel(line, pos);
+ if tmp <> 0 then begin
+ Next := Highlight(syn_label);
+ Inc(pos, tmp);
+ f_state := 8;
+ exit;
+ end;
+ end;
+ end;
+
+ 1: { Kommentar bis Zeilenende }
+ begin
+ pos := length(line);
+ break;
+ end;
+
+ 2: { C-Kommentar }
+ if Matches(line, pos, '*/') then begin
+ f_state := 0;
+ Inc(pos, 2);
+ exit(Highlight(syn_other));
+ end;
+
+ 3, 6, 7, 8: { Ende eines gefaerbten Worts }
+ begin
+ f_state := 0;
+ exit(Highlight(syn_other));
+ end;
+
+ 4: { String }
+ case c of
+ '\':
+ begin
+ f_state := 5;
+ Next := Highlight(syn_string_special);
+ Inc(pos);
+ exit;
+ end;
+
+ '"':
+ begin
+ f_state := 0;
+ Inc(pos);
+ exit(Highlight(syn_other));
+ end;
+ end;
+
+ 5: { Escaptes Zeichen in einem String }
+ begin
+ f_state := 4;
+ Inc(pos);
+ exit(Highlight(syn_string));
+ end;
+
+ end;
+
+ Inc(pos);
+ end;
+
+ if f_state in [1, 3, 4, 5] then begin
+ f_state := 0;
+ end;
+end;
+
+end.
--
1.6.0.4