| 1 | // Scintilla source code edit control |
| 2 | /** @file LexCLW.cxx |
| 3 | ** Lexer for Clarion. |
| 4 | ** 2004/12/17 Updated Lexer |
| 5 | **/ |
| 6 | // Copyright 2003-2004 by Ron Schofield <ron@schofieldcomputer.com> |
| 7 | // The License.txt file describes the conditions under which this software may be distributed. |
| 8 | |
| 9 | #include <stdlib.h> |
| 10 | #include <string.h> |
| 11 | #include <stdio.h> |
| 12 | #include <stdarg.h> |
| 13 | #include <assert.h> |
| 14 | #include <ctype.h> |
| 15 | |
| 16 | #include <string> |
| 17 | #include <string_view> |
| 18 | |
| 19 | #include "ILexer.h" |
| 20 | #include "Scintilla.h" |
| 21 | #include "SciLexer.h" |
| 22 | |
| 23 | #include "WordList.h" |
| 24 | #include "LexAccessor.h" |
| 25 | #include "Accessor.h" |
| 26 | #include "StyleContext.h" |
| 27 | #include "CharacterSet.h" |
| 28 | #include "LexerModule.h" |
| 29 | |
| 30 | using namespace Lexilla; |
| 31 | |
| 32 | // Is an end of line character |
| 33 | inline bool IsEOL(const int ch) { |
| 34 | |
| 35 | return(ch == '\n'); |
| 36 | } |
| 37 | |
| 38 | // Convert character to uppercase |
| 39 | static char CharacterUpper(char chChar) { |
| 40 | |
| 41 | if (chChar < 'a' || chChar > 'z') { |
| 42 | return(chChar); |
| 43 | } |
| 44 | else { |
| 45 | return(static_cast<char>(chChar - 'a' + 'A')); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | // Convert string to uppercase |
| 50 | static void StringUpper(char *szString) { |
| 51 | |
| 52 | while (*szString) { |
| 53 | *szString = CharacterUpper(*szString); |
| 54 | szString++; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | // Is a label start character |
| 59 | inline bool IsALabelStart(const int iChar) { |
| 60 | |
| 61 | return(isalpha(iChar) || iChar == '_'); |
| 62 | } |
| 63 | |
| 64 | // Is a label character |
| 65 | inline bool IsALabelCharacter(const int iChar) { |
| 66 | |
| 67 | return(isalnum(iChar) || iChar == '_' || iChar == ':'); |
| 68 | } |
| 69 | |
| 70 | // Is the character is a ! and the the next character is not a ! |
| 71 | inline bool (const int iChar) { |
| 72 | |
| 73 | return(iChar == '!'); |
| 74 | } |
| 75 | |
| 76 | // Is the character a Clarion hex character (ABCDEF) |
| 77 | inline bool IsAHexCharacter(const int iChar, bool bCaseSensitive) { |
| 78 | |
| 79 | // Case insensitive. |
| 80 | if (!bCaseSensitive) { |
| 81 | if (strchr("ABCDEFabcdef" , iChar) != NULL) { |
| 82 | return(true); |
| 83 | } |
| 84 | } |
| 85 | // Case sensitive |
| 86 | else { |
| 87 | if (strchr("ABCDEF" , iChar) != NULL) { |
| 88 | return(true); |
| 89 | } |
| 90 | } |
| 91 | return(false); |
| 92 | } |
| 93 | |
| 94 | // Is the character a Clarion base character (B=Binary, O=Octal, H=Hex) |
| 95 | inline bool IsANumericBaseCharacter(const int iChar, bool bCaseSensitive) { |
| 96 | |
| 97 | // Case insensitive. |
| 98 | if (!bCaseSensitive) { |
| 99 | // If character is a numeric base character |
| 100 | if (strchr("BOHboh" , iChar) != NULL) { |
| 101 | return(true); |
| 102 | } |
| 103 | } |
| 104 | // Case sensitive |
| 105 | else { |
| 106 | // If character is a numeric base character |
| 107 | if (strchr("BOH" , iChar) != NULL) { |
| 108 | return(true); |
| 109 | } |
| 110 | } |
| 111 | return(false); |
| 112 | } |
| 113 | |
| 114 | // Set the correct numeric constant state |
| 115 | inline bool SetNumericConstantState(StyleContext &scDoc) { |
| 116 | |
| 117 | int iPoints = 0; // Point counter |
| 118 | char cNumericString[512]; // Numeric string buffer |
| 119 | |
| 120 | // Buffer the current numberic string |
| 121 | scDoc.GetCurrent(cNumericString, sizeof(cNumericString)); |
| 122 | // Loop through the string until end of string (NULL termination) |
| 123 | for (int iIndex = 0; cNumericString[iIndex] != '\0'; iIndex++) { |
| 124 | // Depending on the character |
| 125 | switch (cNumericString[iIndex]) { |
| 126 | // Is a . (point) |
| 127 | case '.' : |
| 128 | // Increment point counter |
| 129 | iPoints++; |
| 130 | break; |
| 131 | default : |
| 132 | break; |
| 133 | } |
| 134 | } |
| 135 | // If points found (can be more than one for improper formatted number |
| 136 | if (iPoints > 0) { |
| 137 | return(true); |
| 138 | } |
| 139 | // Else no points found |
| 140 | else { |
| 141 | return(false); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | // Get the next word in uppercase from the current position (keyword lookahead) |
| 146 | inline bool GetNextWordUpper(Accessor &styler, Sci_PositionU uiStartPos, Sci_Position iLength, char *cWord) { |
| 147 | |
| 148 | Sci_PositionU iIndex = 0; // Buffer Index |
| 149 | |
| 150 | // Loop through the remaining string from the current position |
| 151 | for (Sci_Position iOffset = uiStartPos; iOffset < iLength; iOffset++) { |
| 152 | // Get the character from the buffer using the offset |
| 153 | char cCharacter = styler[iOffset]; |
| 154 | if (IsEOL(cCharacter)) { |
| 155 | break; |
| 156 | } |
| 157 | // If the character is alphabet character |
| 158 | if (isalpha(cCharacter)) { |
| 159 | // Add UPPERCASE character to the word buffer |
| 160 | cWord[iIndex++] = CharacterUpper(cCharacter); |
| 161 | } |
| 162 | } |
| 163 | // Add null termination |
| 164 | cWord[iIndex] = '\0'; |
| 165 | // If no word was found |
| 166 | if (iIndex == 0) { |
| 167 | // Return failure |
| 168 | return(false); |
| 169 | } |
| 170 | // Else word was found |
| 171 | else { |
| 172 | // Return success |
| 173 | return(true); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | // Clarion Language Colouring Procedure |
| 178 | static void ColouriseClarionDoc(Sci_PositionU uiStartPos, Sci_Position iLength, int iInitStyle, WordList *wlKeywords[], Accessor &accStyler, bool bCaseSensitive) { |
| 179 | |
| 180 | int iParenthesesLevel = 0; // Parenthese Level |
| 181 | int iColumn1Label = false; // Label starts in Column 1 |
| 182 | |
| 183 | WordList &wlClarionKeywords = *wlKeywords[0]; // Clarion Keywords |
| 184 | WordList &wlCompilerDirectives = *wlKeywords[1]; // Compiler Directives |
| 185 | WordList &wlRuntimeExpressions = *wlKeywords[2]; // Runtime Expressions |
| 186 | WordList &wlBuiltInProcsFuncs = *wlKeywords[3]; // Builtin Procedures and Functions |
| 187 | WordList &wlStructsDataTypes = *wlKeywords[4]; // Structures and Data Types |
| 188 | WordList &wlAttributes = *wlKeywords[5]; // Procedure Attributes |
| 189 | WordList &wlStandardEquates = *wlKeywords[6]; // Standard Equates |
| 190 | WordList &wlLabelReservedWords = *wlKeywords[7]; // Clarion Reserved Keywords (Labels) |
| 191 | WordList &wlProcLabelReservedWords = *wlKeywords[8]; // Clarion Reserved Keywords (Procedure Labels) |
| 192 | |
| 193 | const char wlProcReservedKeywordList[] = |
| 194 | "PROCEDURE FUNCTION" ; |
| 195 | WordList wlProcReservedKeywords; |
| 196 | wlProcReservedKeywords.Set(wlProcReservedKeywordList); |
| 197 | |
| 198 | const char wlCompilerKeywordList[] = |
| 199 | "COMPILE OMIT" ; |
| 200 | WordList wlCompilerKeywords; |
| 201 | wlCompilerKeywords.Set(wlCompilerKeywordList); |
| 202 | |
| 203 | const char wlLegacyStatementsList[] = |
| 204 | "BOF EOF FUNCTION POINTER SHARE" ; |
| 205 | WordList wlLegacyStatements; |
| 206 | wlLegacyStatements.Set(wlLegacyStatementsList); |
| 207 | |
| 208 | StyleContext scDoc(uiStartPos, iLength, iInitStyle, accStyler); |
| 209 | |
| 210 | // lex source code |
| 211 | for (; scDoc.More(); scDoc.Forward()) |
| 212 | { |
| 213 | // |
| 214 | // Determine if the current state should terminate. |
| 215 | // |
| 216 | |
| 217 | // Label State Handling |
| 218 | if (scDoc.state == SCE_CLW_LABEL) { |
| 219 | // If the character is not a valid label |
| 220 | if (!IsALabelCharacter(scDoc.ch)) { |
| 221 | // If the character is a . (dot syntax) |
| 222 | if (scDoc.ch == '.') { |
| 223 | // Turn off column 1 label flag as label now cannot be reserved work |
| 224 | iColumn1Label = false; |
| 225 | // Uncolour the . (dot) to default state, move forward one character, |
| 226 | // and change back to the label state. |
| 227 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 228 | scDoc.Forward(); |
| 229 | scDoc.SetState(SCE_CLW_LABEL); |
| 230 | } |
| 231 | // Else check label |
| 232 | else { |
| 233 | char cLabel[512]; // Label buffer |
| 234 | // Buffer the current label string |
| 235 | scDoc.GetCurrent(cLabel,sizeof(cLabel)); |
| 236 | // If case insensitive, convert string to UPPERCASE to match passed keywords. |
| 237 | if (!bCaseSensitive) { |
| 238 | StringUpper(cLabel); |
| 239 | } |
| 240 | // Else if UPPERCASE label string is in the Clarion compiler keyword list |
| 241 | if (wlCompilerKeywords.InList(cLabel) && iColumn1Label){ |
| 242 | // change the label to error state |
| 243 | scDoc.ChangeState(SCE_CLW_COMPILER_DIRECTIVE); |
| 244 | } |
| 245 | // Else if UPPERCASE label string is in the Clarion reserved keyword list |
| 246 | else if (wlLabelReservedWords.InList(cLabel) && iColumn1Label){ |
| 247 | // change the label to error state |
| 248 | scDoc.ChangeState(SCE_CLW_ERROR); |
| 249 | } |
| 250 | // Else if UPPERCASE label string is |
| 251 | else if (wlProcLabelReservedWords.InList(cLabel) && iColumn1Label) { |
| 252 | char cWord[512]; // Word buffer |
| 253 | // Get the next word from the current position |
| 254 | if (GetNextWordUpper(accStyler,scDoc.currentPos,uiStartPos+iLength,cWord)) { |
| 255 | // If the next word is a procedure reserved word |
| 256 | if (wlProcReservedKeywords.InList(cWord)) { |
| 257 | // Change the label to error state |
| 258 | scDoc.ChangeState(SCE_CLW_ERROR); |
| 259 | } |
| 260 | } |
| 261 | } |
| 262 | // Else if label string is in the compiler directive keyword list |
| 263 | else if (wlCompilerDirectives.InList(cLabel)) { |
| 264 | // change the state to compiler directive state |
| 265 | scDoc.ChangeState(SCE_CLW_COMPILER_DIRECTIVE); |
| 266 | } |
| 267 | // Terminate the label state and set to default state |
| 268 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 269 | } |
| 270 | } |
| 271 | } |
| 272 | // Keyword State Handling |
| 273 | else if (scDoc.state == SCE_CLW_KEYWORD) { |
| 274 | // If character is : (colon) |
| 275 | if (scDoc.ch == ':') { |
| 276 | char cEquate[512]; // Equate buffer |
| 277 | // Move forward to include : (colon) in buffer |
| 278 | scDoc.Forward(); |
| 279 | // Buffer the equate string |
| 280 | scDoc.GetCurrent(cEquate,sizeof(cEquate)); |
| 281 | // If case insensitive, convert string to UPPERCASE to match passed keywords. |
| 282 | if (!bCaseSensitive) { |
| 283 | StringUpper(cEquate); |
| 284 | } |
| 285 | // If statement string is in the equate list |
| 286 | if (wlStandardEquates.InList(cEquate)) { |
| 287 | // Change to equate state |
| 288 | scDoc.ChangeState(SCE_CLW_STANDARD_EQUATE); |
| 289 | } |
| 290 | } |
| 291 | // If the character is not a valid label character |
| 292 | else if (!IsALabelCharacter(scDoc.ch)) { |
| 293 | char cStatement[512]; // Statement buffer |
| 294 | // Buffer the statement string |
| 295 | scDoc.GetCurrent(cStatement,sizeof(cStatement)); |
| 296 | // If case insensitive, convert string to UPPERCASE to match passed keywords. |
| 297 | if (!bCaseSensitive) { |
| 298 | StringUpper(cStatement); |
| 299 | } |
| 300 | // If statement string is in the Clarion keyword list |
| 301 | if (wlClarionKeywords.InList(cStatement)) { |
| 302 | // Change the statement string to the Clarion keyword state |
| 303 | scDoc.ChangeState(SCE_CLW_KEYWORD); |
| 304 | } |
| 305 | // Else if statement string is in the compiler directive keyword list |
| 306 | else if (wlCompilerDirectives.InList(cStatement)) { |
| 307 | // Change the statement string to the compiler directive state |
| 308 | scDoc.ChangeState(SCE_CLW_COMPILER_DIRECTIVE); |
| 309 | } |
| 310 | // Else if statement string is in the runtime expressions keyword list |
| 311 | else if (wlRuntimeExpressions.InList(cStatement)) { |
| 312 | // Change the statement string to the runtime expressions state |
| 313 | scDoc.ChangeState(SCE_CLW_RUNTIME_EXPRESSIONS); |
| 314 | } |
| 315 | // Else if statement string is in the builtin procedures and functions keyword list |
| 316 | else if (wlBuiltInProcsFuncs.InList(cStatement)) { |
| 317 | // Change the statement string to the builtin procedures and functions state |
| 318 | scDoc.ChangeState(SCE_CLW_BUILTIN_PROCEDURES_FUNCTION); |
| 319 | } |
| 320 | // Else if statement string is in the tructures and data types keyword list |
| 321 | else if (wlStructsDataTypes.InList(cStatement)) { |
| 322 | // Change the statement string to the structures and data types state |
| 323 | scDoc.ChangeState(SCE_CLW_STRUCTURE_DATA_TYPE); |
| 324 | } |
| 325 | // Else if statement string is in the procedure attribute keyword list |
| 326 | else if (wlAttributes.InList(cStatement)) { |
| 327 | // Change the statement string to the procedure attribute state |
| 328 | scDoc.ChangeState(SCE_CLW_ATTRIBUTE); |
| 329 | } |
| 330 | // Else if statement string is in the standard equate keyword list |
| 331 | else if (wlStandardEquates.InList(cStatement)) { |
| 332 | // Change the statement string to the standard equate state |
| 333 | scDoc.ChangeState(SCE_CLW_STANDARD_EQUATE); |
| 334 | } |
| 335 | // Else if statement string is in the deprecated or legacy keyword list |
| 336 | else if (wlLegacyStatements.InList(cStatement)) { |
| 337 | // Change the statement string to the standard equate state |
| 338 | scDoc.ChangeState(SCE_CLW_DEPRECATED); |
| 339 | } |
| 340 | // Else the statement string doesn't match any work list |
| 341 | else { |
| 342 | // Change the statement string to the default state |
| 343 | scDoc.ChangeState(SCE_CLW_DEFAULT); |
| 344 | } |
| 345 | // Terminate the keyword state and set to default state |
| 346 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 347 | } |
| 348 | } |
| 349 | // String State Handling |
| 350 | else if (scDoc.state == SCE_CLW_STRING) { |
| 351 | // If the character is an ' (single quote) |
| 352 | if (scDoc.ch == '\'') { |
| 353 | // Set the state to default and move forward colouring |
| 354 | // the ' (single quote) as default state |
| 355 | // terminating the string state |
| 356 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 357 | scDoc.Forward(); |
| 358 | } |
| 359 | // If the next character is an ' (single quote) |
| 360 | if (scDoc.chNext == '\'') { |
| 361 | // Move forward one character and set to default state |
| 362 | // colouring the next ' (single quote) as default state |
| 363 | // terminating the string state |
| 364 | scDoc.ForwardSetState(SCE_CLW_DEFAULT); |
| 365 | scDoc.Forward(); |
| 366 | } |
| 367 | } |
| 368 | // Picture String State Handling |
| 369 | else if (scDoc.state == SCE_CLW_PICTURE_STRING) { |
| 370 | // If the character is an ( (open parenthese) |
| 371 | if (scDoc.ch == '(') { |
| 372 | // Increment the parenthese level |
| 373 | iParenthesesLevel++; |
| 374 | } |
| 375 | // Else if the character is a ) (close parenthese) |
| 376 | else if (scDoc.ch == ')') { |
| 377 | // If the parenthese level is set to zero |
| 378 | // parentheses matched |
| 379 | if (!iParenthesesLevel) { |
| 380 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 381 | } |
| 382 | // Else parenthese level is greater than zero |
| 383 | // still looking for matching parentheses |
| 384 | else { |
| 385 | // Decrement the parenthese level |
| 386 | iParenthesesLevel--; |
| 387 | } |
| 388 | } |
| 389 | } |
| 390 | // Standard Equate State Handling |
| 391 | else if (scDoc.state == SCE_CLW_STANDARD_EQUATE) { |
| 392 | if (!isalnum(scDoc.ch)) { |
| 393 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 394 | } |
| 395 | } |
| 396 | // Integer Constant State Handling |
| 397 | else if (scDoc.state == SCE_CLW_INTEGER_CONSTANT) { |
| 398 | // If the character is not a digit (0-9) |
| 399 | // or character is not a hexidecimal character (A-F) |
| 400 | // or character is not a . (point) |
| 401 | // or character is not a numberic base character (B,O,H) |
| 402 | if (!(isdigit(scDoc.ch) |
| 403 | || IsAHexCharacter(scDoc.ch, bCaseSensitive) |
| 404 | || scDoc.ch == '.' |
| 405 | || IsANumericBaseCharacter(scDoc.ch, bCaseSensitive))) { |
| 406 | // If the number was a real |
| 407 | if (SetNumericConstantState(scDoc)) { |
| 408 | // Colour the matched string to the real constant state |
| 409 | scDoc.ChangeState(SCE_CLW_REAL_CONSTANT); |
| 410 | } |
| 411 | // Else the number was an integer |
| 412 | else { |
| 413 | // Colour the matched string to an integer constant state |
| 414 | scDoc.ChangeState(SCE_CLW_INTEGER_CONSTANT); |
| 415 | } |
| 416 | // Terminate the integer constant state and set to default state |
| 417 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | // |
| 422 | // Determine if a new state should be entered. |
| 423 | // |
| 424 | |
| 425 | // Beginning of Line Handling |
| 426 | if (scDoc.atLineStart) { |
| 427 | // Reset the column 1 label flag |
| 428 | iColumn1Label = false; |
| 429 | // If column 1 character is a label start character |
| 430 | if (IsALabelStart(scDoc.ch)) { |
| 431 | // Label character is found in column 1 |
| 432 | // so set column 1 label flag and clear last column 1 label |
| 433 | iColumn1Label = true; |
| 434 | // Set the state to label |
| 435 | scDoc.SetState(SCE_CLW_LABEL); |
| 436 | } |
| 437 | // else if character is a space or tab |
| 438 | else if (IsASpace(scDoc.ch)){ |
| 439 | // Set to default state |
| 440 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 441 | } |
| 442 | // else if comment start (!) or is an * (asterisk) |
| 443 | else if (IsACommentStart(scDoc.ch) || scDoc.ch == '*' ) { |
| 444 | // then set the state to comment. |
| 445 | scDoc.SetState(SCE_CLW_COMMENT); |
| 446 | } |
| 447 | // else the character is a ? (question mark) |
| 448 | else if (scDoc.ch == '?') { |
| 449 | // Change to the compiler directive state, move forward, |
| 450 | // colouring the ? (question mark), change back to default state. |
| 451 | scDoc.ChangeState(SCE_CLW_COMPILER_DIRECTIVE); |
| 452 | scDoc.Forward(); |
| 453 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 454 | } |
| 455 | // else an invalid character in column 1 |
| 456 | else { |
| 457 | // Set to error state |
| 458 | scDoc.SetState(SCE_CLW_ERROR); |
| 459 | } |
| 460 | } |
| 461 | // End of Line Handling |
| 462 | else if (scDoc.atLineEnd) { |
| 463 | // Reset to the default state at the end of each line. |
| 464 | scDoc.SetState(SCE_CLW_DEFAULT); |
| 465 | } |
| 466 | // Default Handling |
| 467 | else { |
| 468 | // If in default state |
| 469 | if (scDoc.state == SCE_CLW_DEFAULT) { |
| 470 | // If is a letter could be a possible statement |
| 471 | if (isalpha(scDoc.ch)) { |
| 472 | // Set the state to Clarion Keyword and verify later |
| 473 | scDoc.SetState(SCE_CLW_KEYWORD); |
| 474 | } |
| 475 | // else is a number |
| 476 | else if (isdigit(scDoc.ch)) { |
| 477 | // Set the state to Integer Constant and verify later |
| 478 | scDoc.SetState(SCE_CLW_INTEGER_CONSTANT); |
| 479 | } |
| 480 | // else if the start of a comment or a | (line continuation) |
| 481 | else if (IsACommentStart(scDoc.ch) || scDoc.ch == '|') { |
| 482 | // then set the state to comment. |
| 483 | scDoc.SetState(SCE_CLW_COMMENT); |
| 484 | } |
| 485 | // else if the character is a ' (single quote) |
| 486 | else if (scDoc.ch == '\'') { |
| 487 | // If the character is also a ' (single quote) |
| 488 | // Embedded Apostrophe |
| 489 | if (scDoc.chNext == '\'') { |
| 490 | // Move forward colouring it as default state |
| 491 | scDoc.ForwardSetState(SCE_CLW_DEFAULT); |
| 492 | } |
| 493 | else { |
| 494 | // move to the next character and then set the state to comment. |
| 495 | scDoc.ForwardSetState(SCE_CLW_STRING); |
| 496 | } |
| 497 | } |
| 498 | // else the character is an @ (ampersand) |
| 499 | else if (scDoc.ch == '@') { |
| 500 | // Case insensitive. |
| 501 | if (!bCaseSensitive) { |
| 502 | // If character is a valid picture token character |
| 503 | if (strchr("DEKNPSTdeknpst" , scDoc.chNext) != NULL) { |
| 504 | // Set to the picture string state |
| 505 | scDoc.SetState(SCE_CLW_PICTURE_STRING); |
| 506 | } |
| 507 | } |
| 508 | // Case sensitive |
| 509 | else { |
| 510 | // If character is a valid picture token character |
| 511 | if (strchr("DEKNPST" , scDoc.chNext) != NULL) { |
| 512 | // Set the picture string state |
| 513 | scDoc.SetState(SCE_CLW_PICTURE_STRING); |
| 514 | } |
| 515 | } |
| 516 | } |
| 517 | } |
| 518 | } |
| 519 | } |
| 520 | // lexing complete |
| 521 | scDoc.Complete(); |
| 522 | } |
| 523 | |
| 524 | // Clarion Language Case Sensitive Colouring Procedure |
| 525 | static void ColouriseClarionDocSensitive(Sci_PositionU uiStartPos, Sci_Position iLength, int iInitStyle, WordList *wlKeywords[], Accessor &accStyler) { |
| 526 | |
| 527 | ColouriseClarionDoc(uiStartPos, iLength, iInitStyle, wlKeywords, accStyler, true); |
| 528 | } |
| 529 | |
| 530 | // Clarion Language Case Insensitive Colouring Procedure |
| 531 | static void ColouriseClarionDocInsensitive(Sci_PositionU uiStartPos, Sci_Position iLength, int iInitStyle, WordList *wlKeywords[], Accessor &accStyler) { |
| 532 | |
| 533 | ColouriseClarionDoc(uiStartPos, iLength, iInitStyle, wlKeywords, accStyler, false); |
| 534 | } |
| 535 | |
| 536 | // Fill Buffer |
| 537 | |
| 538 | static void FillBuffer(Sci_PositionU uiStart, Sci_PositionU uiEnd, Accessor &accStyler, char *szBuffer, Sci_PositionU uiLength) { |
| 539 | |
| 540 | Sci_PositionU uiPos = 0; |
| 541 | |
| 542 | while ((uiPos < uiEnd - uiStart + 1) && (uiPos < uiLength-1)) { |
| 543 | szBuffer[uiPos] = static_cast<char>(toupper(accStyler[uiStart + uiPos])); |
| 544 | uiPos++; |
| 545 | } |
| 546 | szBuffer[uiPos] = '\0'; |
| 547 | } |
| 548 | |
| 549 | // Classify Clarion Fold Point |
| 550 | |
| 551 | static int ClassifyClarionFoldPoint(int iLevel, const char* szString) { |
| 552 | |
| 553 | if (!(isdigit(szString[0]) || (szString[0] == '.'))) { |
| 554 | if (strcmp(szString, "PROCEDURE" ) == 0) { |
| 555 | // iLevel = SC_FOLDLEVELBASE + 1; |
| 556 | } |
| 557 | else if (strcmp(szString, "MAP" ) == 0 || |
| 558 | strcmp(szString,"ACCEPT" ) == 0 || |
| 559 | strcmp(szString,"BEGIN" ) == 0 || |
| 560 | strcmp(szString,"CASE" ) == 0 || |
| 561 | strcmp(szString,"EXECUTE" ) == 0 || |
| 562 | strcmp(szString,"IF" ) == 0 || |
| 563 | strcmp(szString,"ITEMIZE" ) == 0 || |
| 564 | strcmp(szString,"INTERFACE" ) == 0 || |
| 565 | strcmp(szString,"JOIN" ) == 0 || |
| 566 | strcmp(szString,"LOOP" ) == 0 || |
| 567 | strcmp(szString,"MODULE" ) == 0 || |
| 568 | strcmp(szString,"RECORD" ) == 0) { |
| 569 | iLevel++; |
| 570 | } |
| 571 | else if (strcmp(szString, "APPLICATION" ) == 0 || |
| 572 | strcmp(szString, "CLASS" ) == 0 || |
| 573 | strcmp(szString, "DETAIL" ) == 0 || |
| 574 | strcmp(szString, "FILE" ) == 0 || |
| 575 | strcmp(szString, "FOOTER" ) == 0 || |
| 576 | strcmp(szString, "FORM" ) == 0 || |
| 577 | strcmp(szString, "GROUP" ) == 0 || |
| 578 | strcmp(szString, "HEADER" ) == 0 || |
| 579 | strcmp(szString, "INTERFACE" ) == 0 || |
| 580 | strcmp(szString, "MENU" ) == 0 || |
| 581 | strcmp(szString, "MENUBAR" ) == 0 || |
| 582 | strcmp(szString, "OLE" ) == 0 || |
| 583 | strcmp(szString, "OPTION" ) == 0 || |
| 584 | strcmp(szString, "QUEUE" ) == 0 || |
| 585 | strcmp(szString, "REPORT" ) == 0 || |
| 586 | strcmp(szString, "SHEET" ) == 0 || |
| 587 | strcmp(szString, "TAB" ) == 0 || |
| 588 | strcmp(szString, "TOOLBAR" ) == 0 || |
| 589 | strcmp(szString, "VIEW" ) == 0 || |
| 590 | strcmp(szString, "WINDOW" ) == 0) { |
| 591 | iLevel++; |
| 592 | } |
| 593 | else if (strcmp(szString, "END" ) == 0 || |
| 594 | strcmp(szString, "UNTIL" ) == 0 || |
| 595 | strcmp(szString, "WHILE" ) == 0) { |
| 596 | iLevel--; |
| 597 | } |
| 598 | } |
| 599 | return(iLevel); |
| 600 | } |
| 601 | |
| 602 | // Clarion Language Folding Procedure |
| 603 | static void FoldClarionDoc(Sci_PositionU uiStartPos, Sci_Position iLength, int iInitStyle, WordList *[], Accessor &accStyler) { |
| 604 | |
| 605 | Sci_PositionU uiEndPos = uiStartPos + iLength; |
| 606 | Sci_Position iLineCurrent = accStyler.GetLine(uiStartPos); |
| 607 | int iLevelPrev = accStyler.LevelAt(iLineCurrent) & SC_FOLDLEVELNUMBERMASK; |
| 608 | int iLevelCurrent = iLevelPrev; |
| 609 | char chNext = accStyler[uiStartPos]; |
| 610 | int iStyle = iInitStyle; |
| 611 | int iStyleNext = accStyler.StyleAt(uiStartPos); |
| 612 | int iVisibleChars = 0; |
| 613 | Sci_Position iLastStart = 0; |
| 614 | |
| 615 | for (Sci_PositionU uiPos = uiStartPos; uiPos < uiEndPos; uiPos++) { |
| 616 | |
| 617 | char chChar = chNext; |
| 618 | chNext = accStyler.SafeGetCharAt(uiPos + 1); |
| 619 | int iStylePrev = iStyle; |
| 620 | iStyle = iStyleNext; |
| 621 | iStyleNext = accStyler.StyleAt(uiPos + 1); |
| 622 | bool bEOL = (chChar == '\r' && chNext != '\n') || (chChar == '\n'); |
| 623 | |
| 624 | if (iStylePrev == SCE_CLW_DEFAULT) { |
| 625 | if (iStyle == SCE_CLW_KEYWORD || iStyle == SCE_CLW_STRUCTURE_DATA_TYPE) { |
| 626 | // Store last word start point. |
| 627 | iLastStart = uiPos; |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | if (iStylePrev == SCE_CLW_KEYWORD || iStylePrev == SCE_CLW_STRUCTURE_DATA_TYPE) { |
| 632 | if(iswordchar(chChar) && !iswordchar(chNext)) { |
| 633 | char chBuffer[100]; |
| 634 | FillBuffer(iLastStart, uiPos, accStyler, chBuffer, sizeof(chBuffer)); |
| 635 | iLevelCurrent = ClassifyClarionFoldPoint(iLevelCurrent,chBuffer); |
| 636 | // if ((iLevelCurrent == SC_FOLDLEVELBASE + 1) && iLineCurrent > 1) { |
| 637 | // accStyler.SetLevel(iLineCurrent-1,SC_FOLDLEVELBASE); |
| 638 | // iLevelPrev = SC_FOLDLEVELBASE; |
| 639 | // } |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | if (bEOL) { |
| 644 | int iLevel = iLevelPrev; |
| 645 | if ((iLevelCurrent > iLevelPrev) && (iVisibleChars > 0)) |
| 646 | iLevel |= SC_FOLDLEVELHEADERFLAG; |
| 647 | if (iLevel != accStyler.LevelAt(iLineCurrent)) { |
| 648 | accStyler.SetLevel(iLineCurrent,iLevel); |
| 649 | } |
| 650 | iLineCurrent++; |
| 651 | iLevelPrev = iLevelCurrent; |
| 652 | iVisibleChars = 0; |
| 653 | } |
| 654 | |
| 655 | if (!isspacechar(chChar)) |
| 656 | iVisibleChars++; |
| 657 | } |
| 658 | |
| 659 | // Fill in the real level of the next line, keeping the current flags |
| 660 | // as they will be filled in later. |
| 661 | int iFlagsNext = accStyler.LevelAt(iLineCurrent) & ~SC_FOLDLEVELNUMBERMASK; |
| 662 | accStyler.SetLevel(iLineCurrent, iLevelPrev | iFlagsNext); |
| 663 | } |
| 664 | |
| 665 | // Word List Descriptions |
| 666 | static const char * const rgWordListDescriptions[] = { |
| 667 | "Clarion Keywords" , |
| 668 | "Compiler Directives" , |
| 669 | "Built-in Procedures and Functions" , |
| 670 | "Runtime Expressions" , |
| 671 | "Structure and Data Types" , |
| 672 | "Attributes" , |
| 673 | "Standard Equates" , |
| 674 | "Reserved Words (Labels)" , |
| 675 | "Reserved Words (Procedure Labels)" , |
| 676 | 0, |
| 677 | }; |
| 678 | |
| 679 | // Case Sensitive Clarion Language Lexer |
| 680 | LexerModule lmClw(SCLEX_CLW, ColouriseClarionDocSensitive, "clarion" , FoldClarionDoc, rgWordListDescriptions); |
| 681 | |
| 682 | // Case Insensitive Clarion Language Lexer |
| 683 | LexerModule lmClwNoCase(SCLEX_CLWNOCASE, ColouriseClarionDocInsensitive, "clarionnocase" , FoldClarionDoc, rgWordListDescriptions); |
| 684 | |