Compaq AA-PWCBD-TE Instrukcja Użytkownika Pobierz pdf (Strona 135)

Sample DECTPU Procedures

A.2 Translation of Control Characters

Example A–2 (Cont.) Procedure to Display Control Characters

LOOP

Ctrl_char_range := SEARCH_QUIETLY (Ctrl_char_pattern, FORWARD);

EXITIF Ctrl_char_range = 0;

POSITION (Ctrl_char_range);

! If we did not translate the character, move past it

IF NOT translate_controls (Ctrl_char_range)

THEN

MOVE_HORIZONTAL (1);

ENDIF;

ENDLOOP;

! Now display what we have done

POSITION (BEGINNING_OF (translate_buffer));

MAP (translate_window, translate_buffer);

ENDPROCEDURE;

Sample DECTPU Procedures A–5

1 2 ... 130 131 132 133 134 135 136 137 138 139 140 ... 151 152

Guide to the DEC Text 1
ProcessingUtility 1
Contents 3
A Sample DECTPU Procedures 7
B DECTPU Terminal Support 7
C DECTPU Debugger Commands 7
Examples 7
Intended Audience 9
Document Structure 9
Related Documents 9
Reader’s Comments 9
Conventions 10
Monospace text 11
1.1 Description of DECTPU 13
1.1.3 DECTPU Environments 14
1.3 Description of EVE 16
1.4 DECTPU Language 17
1.4.5 User-Written Procedures 19
1.6 Learning Path for DECTPU 20
Getting Started with DECTPU 21
2.1.2 Startup Files 22
2.4 Using Journal Files 26
2.4.1 Keystroke Journaling 27
2.6.1 /CHARACTER_SET 29
2.6.2 /COMMAND 30
2.6.3 /CREATE 31
2.6.4 /DEBUG 32
2.6.5 /DISPLAY 32
2.6.6 /INITIALIZATION 33
2.6.7 /INTERFACE 34
2.6.8 /JOURNAL 34
2.6.9 /MODIFY 35
2.6.10 /OUTPUT 36
2.6.11 /READ_ONLY 37
2.6.12 /RECOVER 38
2.6.13 /SECTION 39
2.6.14 /START_POSITION 40
3.1 Array Data Type 42
3.2 Buffer Data Type 43
3.3 Integer Data Type 44
3.4 Keyword Data Type 45
3.5 Learn Data Type 47
3.6 Marker Data Type 48
3.7 Pattern Data Type 50
3.7.3 Using Pattern Operators 53
3.7.5 Searching for a Pattern 56
3.7.6 Anchoring a Pattern 57
3.8 Process Data Type 58
3.9 Program Data Type 58
3.10 Range Data Type 59
3.11 String Data Type 60
3.12 Unspeciﬁed Data Type 61
3.13 Widget Data Type 62
3.14 Window Data Type 62
3.14.2 Creating Windows 63
3.14.4 Mapping Windows 64
3.14.5 Removing Windows 65
Utility Language 67
4.3 Character Sets 68
4.3.3 General Character Sets 69
4.3.5 DECTPU Symbols 70
4.4 Identiﬁers 71
4.5 Variables 71
4.6 Constants 72
4.7 Operators 73
4.8 Expressions 74
4.8.1 Arithmetic Expressions 76
4.8.2 Relational Expressions 76
4.8.3 Pattern Expressions 77
4.8.4 Boolean Expressions 77
4.9 Reserved Words 78
4.10 Lexical Keywords 100
Development 101
5.1 Creating DECTPU Programs 102
5.1.1 Simple Programs 102
5.1.2 Complex Programs 102
5.1.3 Program Syntax 103
5.2.1 Widget Support 104
5.2.2 Input Focus Support 105
"AUXILIARY" 106
5.2.4 Using Callbacks 107
5.2.5 Using Closures 110
5.4 Compiling DECTPU Programs 114
5.5 Executing DECTPU Programs 115
5.5.1 Procedure Execution 116
5.5.2 Process Suspension 116
5.6.1 Section Files 117
5.6.2 Command Files 117
5.6.3 Initialization Files 118
5.6.5 Using Section Files 119
5.6.6 Using Command Files 124
5.7 Debugging DECTPU Programs 128
5.8 Handling Errors 130
Sample DECTPU Procedures 131
A.1 Line-Mode Editor 132
DECTPU Terminal Support 139
B.3 Using Terminal Wrap 141
DECTPU Debugger Commands 143

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