[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[tyndur-devel] [PATCH] kedit: Syntax-Highlighting



+ kedit: Pascal-Highlighting

Signed-off-by: Alexander Hartmut Kluth <hartmut@xxxxxxxxxx>
---
 src/modules/pas/kedit/syntax_pas.pas |  222 ++++++++++++++++++++++++++++++++++
 1 files changed, 222 insertions(+), 0 deletions(-)
 create mode 100644 src/modules/pas/kedit/syntax_pas.pas

diff --git a/src/modules/pas/kedit/syntax_pas.pas b/src/modules/pas/kedit/syntax_pas.pas
new file mode 100644
index 0000000..314f9f5
--- /dev/null
+++ b/src/modules/pas/kedit/syntax_pas.pas
@@ -0,0 +1,222 @@
+unit syntax_pas;
+{$mode ObjFPC}
+
+interface
+
+uses syntax;
+
+type
+    TSyntax_Pas = class(TSyntax)
+    public
+        procedure StartLine(s: String; state: integer); override;
+        function Next: TSyntaxChange; override;
+    end;
+
+
+implementation
+const
+    Keywords_Pas: Array [1..81] of String = (
+        'absolute', 'abstract', 'and', 'array', 'assembler', 'asm',
+        'automated', 'begin', 'case', 'cdecl',
+        'class', 'compilerprog', 'const', 'constructor',
+        'deconstructor', 'default', 'deprecated', 'div', 'do', 'downto',
+        'dynamic', 'else', 'end', 'export', 'external', 'far',
+        'forward', 'finalization', 'for',
+        'function', 'generic', 'goto', 'inline', 'if', 'implementation', 'in',
+        'interface', 'label', 'message', 'mod', 'near', 'nil', 'not',
+        'object', 'overlay', 'overload', 'override', 'of', 'or', 'packed',
+        'platform', 'private', 'procedure',
+        'program', 'property', 'protected', 'public', 'published', 'raise',
+        'record', 'reintroduce', 'resourcestring',
+        'repeat', 'sealed', 'set', 'shl', 'shr', 'specialize', 'stdcall',
+        'then', 'threadvar', 'to',
+        'type', 'unit', 'until', 'uses', 'var', 'virtual', 'while', 'with',
+        'xor'
+    );
+
+    Types_Pas: Array [1..8] of String = (
+        'integer', 'byte', 'real', 'char', 'string', 'boolean', 'string',
+        'file'
+    );
+
+
+procedure TSyntax_Pas.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_Pas.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:
+                case c of
+                    '{':
+                        if Matches(line, pos, '{$') then begin
+                            f_state := 1;
+                            exit(Highlight(syn_compiler));
+                        end else begin
+                            f_state := 2;
+                            exit(Highlight(syn_comment));
+                        end;
+
+                    '(':
+                        if Matches(line, pos, '(*') then begin
+                            f_state := 2;
+                            exit(Highlight(syn_comment));
+                        end;
+
+                    '/':
+                        if (Matches(line, pos, '//')) then begin
+                            f_state := 1;
+                            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
+                            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_Pas);
+                            if tmp <> 0 then begin
+                                Next := Highlight(syn_keyword);
+                                Inc(pos, tmp);
+                                f_state := 6;
+                                exit;
+                            end;
+
+                            tmp := MatchesKeyword(line, pos, Types_Pas);
+                            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: { Pascal-Kommentar }
+                if Matches(line, pos, '}') then begin
+                    f_state := 0;
+                    Inc(pos, 1);
+                    exit(Highlight(syn_other));
+                end else 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