diff options
Diffstat (limited to 'sources/shiboken2/ApiExtractor/parser/lexer.cpp')
| -rw-r--r-- | sources/shiboken2/ApiExtractor/parser/lexer.cpp | 1726 |
1 files changed, 1726 insertions, 0 deletions
diff --git a/sources/shiboken2/ApiExtractor/parser/lexer.cpp b/sources/shiboken2/ApiExtractor/parser/lexer.cpp new file mode 100644 index 000000000..3fcf3b561 --- /dev/null +++ b/sources/shiboken2/ApiExtractor/parser/lexer.cpp @@ -0,0 +1,1726 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org> +** Contact: https://www.qt.io/licensing/ +** +** This file is part of PySide2. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include "lexer.h" +#include "tokens.h" +#include "control.h" + +#include <cctype> +#include <iostream> + +scan_fun_ptr Lexer::s_scan_keyword_table[] = { + &Lexer::scanKeyword0, &Lexer::scanKeyword0, + &Lexer::scanKeyword2, &Lexer::scanKeyword3, + &Lexer::scanKeyword4, &Lexer::scanKeyword5, + &Lexer::scanKeyword6, &Lexer::scanKeyword7, + &Lexer::scanKeyword8, &Lexer::scanKeyword9, + &Lexer::scanKeyword10, &Lexer::scanKeyword11, + &Lexer::scanKeyword12, &Lexer::scanKeyword13, + &Lexer::scanKeyword14, &Lexer::scanKeyword0, + &Lexer::scanKeyword16 +}; + +void LocationManager::extract_line(int offset, int *line, QString *filename) const +{ + *line = 0; + if (token_stream.size() < 1) + return; + + const unsigned char *begin_buffer = reinterpret_cast<const unsigned char *>(token_stream[0].text); + const unsigned char *cursor = begin_buffer + offset; + + ++cursor; // skip '#' + if (std::isspace(*cursor) && std::isdigit(*(cursor + 1))) { + ++cursor; + char buffer[1024], *cp = buffer; + do { + *cp++ = *cursor++; + } while (std::isdigit(*cursor)); + *cp = '\0'; + int l = strtol(buffer, 0, 0); + + Q_ASSERT(std::isspace(*cursor)); + ++cursor; + + Q_ASSERT(*cursor == '"'); + ++cursor; + + cp = buffer; + while (*cursor && *cursor != '"') { + *cp++ = *cursor++; + } + *cp = '\0'; + Q_ASSERT(*cursor == '"'); + ++cursor; + + *filename = QLatin1String(buffer); + *line = l; + // printf("filename: %s line: %d\n", buffer, line); + } +} + +void LocationManager::positionAt(std::size_t offset, int *line, int *column, + QString *filename) const +{ + int ppline = 0; + int ppcolumn = 0; + line_table.positionAt(offset, &ppline, &ppcolumn); + + int base_line = 0; + extract_line((int) line_table[ppline-1], &base_line, filename); + + int line2 = 0; + int column2 = 0; + location_table.positionAt((int) line_table[ppline-1], &line2, &column2); + + location_table.positionAt(offset, line, column); + *line = base_line + *line - line2 - 1; +} + +scan_fun_ptr Lexer::s_scan_table[256]; +bool Lexer::s_initialized = false; + +void Lexer::tokenize(const char *contents, std::size_t size) +{ + if (!s_initialized) + initialize_scan_table(); + + token_stream.resize(1024); + token_stream[0].kind = Token_EOF; + token_stream[0].text = contents; + + index = 1; + + cursor = (const unsigned char *) contents; + begin_buffer = (const unsigned char *) contents; + end_buffer = cursor + size; + + location_table.resize(1024); + location_table[0] = 0; + location_table.current_line = 1; + + line_table.resize(1024); + line_table[0] = 0; + line_table.current_line = 1; + + do { + if (index == token_stream.size()) + token_stream.resize(token_stream.size() * 2); + + Token *current_token = &token_stream[(int) index]; + current_token->text = reinterpret_cast<const char*>(begin_buffer); + current_token->position = cursor - begin_buffer; + (this->*s_scan_table[*cursor])(); + current_token->size = cursor - begin_buffer - current_token->position; + } while (cursor < end_buffer); + + if (index == token_stream.size()) + token_stream.resize(token_stream.size() * 2); + + Q_ASSERT(index < token_stream.size()); + token_stream[(int) index].position = cursor - begin_buffer; + token_stream[(int) index].kind = Token_EOF; +} + +void Lexer::reportError(const QString& msg) +{ + int line = 0; + int column = 0; + QString fileName; + + std::size_t tok = token_stream.cursor(); + _M_location.positionAt(token_stream.position(tok), + &line, &column, &fileName); + + Control::ErrorMessage errmsg; + errmsg.setLine(line + 1); + errmsg.setColumn(column); + errmsg.setFileName(fileName); + errmsg.setMessage(QLatin1String("** LEXER ERROR ") + msg); + control->reportError(errmsg); +} + +void Lexer::initialize_scan_table() +{ + s_initialized = true; + + for (int i = 0; i < 256; ++i) { + if (isspace(i)) + s_scan_table[i] = &Lexer::scan_white_spaces; + else if (isalpha(i) || i == '_') + s_scan_table[i] = &Lexer::scan_identifier_or_keyword; + else if (isdigit(i)) + s_scan_table[i] = &Lexer::scan_int_constant; + else + s_scan_table[i] = &Lexer::scan_invalid_input; + } + + s_scan_table[int('L')] = &Lexer::scan_identifier_or_literal; + s_scan_table[int('\n')] = &Lexer::scan_newline; + s_scan_table[int('#')] = &Lexer::scan_preprocessor; + + s_scan_table[int('\'')] = &Lexer::scan_char_constant; + s_scan_table[int('"')] = &Lexer::scan_string_constant; + + s_scan_table[int('.')] = &Lexer::scan_int_constant; + + s_scan_table[int('!')] = &Lexer::scan_not; + s_scan_table[int('%')] = &Lexer::scan_remainder; + s_scan_table[int('&')] = &Lexer::scan_and; + s_scan_table[int('(')] = &Lexer::scan_left_paren; + s_scan_table[int(')')] = &Lexer::scan_right_paren; + s_scan_table[int('*')] = &Lexer::scan_star; + s_scan_table[int('+')] = &Lexer::scan_plus; + s_scan_table[int(',')] = &Lexer::scan_comma; + s_scan_table[int('-')] = &Lexer::scan_minus; + s_scan_table[int('/')] = &Lexer::scan_divide; + s_scan_table[int(':')] = &Lexer::scan_colon; + s_scan_table[int(';')] = &Lexer::scan_semicolon; + s_scan_table[int('<')] = &Lexer::scan_less; + s_scan_table[int('=')] = &Lexer::scan_equal; + s_scan_table[int('>')] = &Lexer::scan_greater; + s_scan_table[int('?')] = &Lexer::scan_question; + s_scan_table[int('[')] = &Lexer::scan_left_bracket; + s_scan_table[int(']')] = &Lexer::scan_right_bracket; + s_scan_table[int('^')] = &Lexer::scan_xor; + s_scan_table[int('{')] = &Lexer::scan_left_brace; + s_scan_table[int('|')] = &Lexer::scan_or; + s_scan_table[int('}')] = &Lexer::scan_right_brace; + s_scan_table[int('~')] = &Lexer::scan_tilde; + + s_scan_table[0] = &Lexer::scan_EOF; +} + +void Lexer::scan_preprocessor() +{ + if (line_table.current_line == line_table.size()) + line_table.resize(line_table.current_line * 2); + + line_table[(int) line_table.current_line++] = (cursor - begin_buffer); + + while (*cursor && *cursor != '\n') + ++cursor; + + if (*cursor != '\n') + reportError(QLatin1String("expected newline")); +} + +void Lexer::scan_char_constant() +{ + const unsigned char *begin = cursor; + + ++cursor; + while (*cursor && *cursor != '\'') { + if (*cursor == '\n') + reportError(QLatin1String("did not expect newline")); + + if (*cursor == '\\') + ++cursor; + ++cursor; + } + + if (*cursor != '\'') + reportError(QLatin1String("expected \'")); + + ++cursor; + + token_stream[(int) index].extra.symbol = + control->findOrInsertName((const char*) begin, cursor - begin); + + token_stream[(int) index++].kind = Token_char_literal; +} + +void Lexer::scan_string_constant() +{ + const unsigned char *begin = cursor; + + ++cursor; + while (*cursor && *cursor != '"') { + if (*cursor == '\n') + reportError(QLatin1String("did not expect newline")); + + if (*cursor == '\\') + ++cursor; + ++cursor; + } + + if (*cursor != '"') + reportError(QLatin1String("expected \"")); + + ++cursor; + + token_stream[(int) index].extra.symbol = + control->findOrInsertName((const char*) begin, cursor - begin); + + token_stream[(int) index++].kind = Token_string_literal; +} + +void Lexer::scan_newline() +{ + if (location_table.current_line == location_table.size()) + location_table.resize(location_table.current_line * 2); + + location_table[(int) location_table.current_line++] = (cursor - begin_buffer); + ++cursor; +} + +void Lexer::scan_white_spaces() +{ + while (isspace(*cursor)) { + if (*cursor == '\n') + scan_newline(); + else + ++cursor; + } +} + +void Lexer::scan_identifier_or_literal() +{ + switch (*(cursor + 1)) { + case '\'': + ++cursor; + scan_char_constant(); + break; + + case '\"': + ++cursor; + scan_string_constant(); + break; + + default: + scan_identifier_or_keyword(); + break; + } +} + +void Lexer::scan_identifier_or_keyword() +{ + const unsigned char *skip = cursor; + while (isalnum(*skip) || *skip == '_') + ++skip; + + int n = skip - cursor; + Token *current_token = &token_stream[(int) index]; + (this->*s_scan_keyword_table[n < 17 ? n : 0])(); + + if (current_token->kind == Token_identifier) { + current_token->extra.symbol = + control->findOrInsertName((const char*) cursor, n); + } + + cursor = skip; +} + +void Lexer::scan_int_constant() +{ + if (*cursor == '.' && !std::isdigit(*(cursor + 1))) { + scan_dot(); + return; + } + + const unsigned char *begin = cursor; + + while (isalnum(*cursor) || *cursor == '.') + ++cursor; + + token_stream[(int) index].extra.symbol = + control->findOrInsertName((const char*) begin, cursor - begin); + + token_stream[(int) index++].kind = Token_number_literal; +} + +void Lexer::scan_not() +{ + /* + '!' ::= not + '!=' ::= not_equal + */ + + ++cursor; + + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_not_eq; + } else { + token_stream[(int) index++].kind = '!'; + } +} + +void Lexer::scan_remainder() +{ + /* + '%' ::= remainder + '%=' ::= remainder_equal + */ + + ++cursor; + + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else { + token_stream[(int) index++].kind = '%'; + } +} + +void Lexer::scan_and() +{ + /* + '&&' ::= and_and + '&' ::= and + '&=' ::= and_equal + */ + + ++cursor; + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else if (*cursor == '&') { + ++cursor; + token_stream[(int) index++].kind = Token_and; + } else { + token_stream[(int) index++].kind = '&'; + } +} + +void Lexer::scan_left_paren() +{ + ++cursor; + token_stream[(int) index++].kind = '('; +} + +void Lexer::scan_right_paren() +{ + ++cursor; + token_stream[(int) index++].kind = ')'; +} + +void Lexer::scan_star() +{ + /* + '*' ::= star + '*=' ::= star_equal + */ + + ++cursor; + + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else { + token_stream[(int) index++].kind = '*'; + } +} + +void Lexer::scan_plus() +{ + /* + '+' ::= plus + '++' ::= incr + '+=' ::= plus_equal + */ + + ++cursor; + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else if (*cursor == '+') { + ++cursor; + token_stream[(int) index++].kind = Token_incr; + } else { + token_stream[(int) index++].kind = '+'; + } +} + +void Lexer::scan_comma() +{ + ++cursor; + token_stream[(int) index++].kind = ','; +} + +void Lexer::scan_minus() +{ + /* + '-' ::= minus + '--' ::= decr + '-=' ::= minus_equal + '->' ::= left_arrow + */ + + ++cursor; + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else if (*cursor == '-') { + ++cursor; + token_stream[(int) index++].kind = Token_decr; + } else if (*cursor == '>') { + ++cursor; + token_stream[(int) index++].kind = Token_arrow; + if (*cursor == '*') { + ++cursor; + token_stream[(int) index++].kind = Token_ptrmem; + } + } else { + token_stream[(int) index++].kind = '-'; + } +} + +void Lexer::scan_dot() +{ + /* + '.' ::= dot + '...' ::= ellipsis + */ + + ++cursor; + if (*cursor == '.' && *(cursor + 1) == '.') { + cursor += 2; + token_stream[(int) index++].kind = Token_ellipsis; + } else if (*cursor == '.' && *(cursor + 1) == '*') { + cursor += 2; + token_stream[(int) index++].kind = Token_ptrmem; + } else + token_stream[(int) index++].kind = '.'; +} + +void Lexer::scan_divide() +{ + /* + '/' ::= divide + '/=' ::= divide_equal + */ + + ++cursor; + + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else { + token_stream[(int) index++].kind = '/'; + } +} + +void Lexer::scan_colon() +{ + ++cursor; + if (*cursor == ':') { + ++cursor; + token_stream[(int) index++].kind = Token_scope; + } else { + token_stream[(int) index++].kind = ':'; + } +} + +void Lexer::scan_semicolon() +{ + ++cursor; + token_stream[(int) index++].kind = ';'; +} + +void Lexer::scan_less() +{ + /* + '<' ::= less + '<<' ::= left_shift + '<<=' ::= left_shift_equal + '<=' ::= less_equal + */ + + ++cursor; + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_leq; + } else if (*cursor == '<') { + ++cursor; + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else { + token_stream[(int) index++].kind = Token_shift; + } + } else { + token_stream[(int) index++].kind = '<'; + } +} + +void Lexer::scan_equal() +{ + /* + '=' ::= equal + '==' ::= equal_equal + */ + ++cursor; + + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_eq; + } else { + token_stream[(int) index++].kind = '='; + } +} + +void Lexer::scan_greater() +{ + /* + '>' ::= greater + '>=' ::= greater_equal + '>>' ::= right_shift + '>>=' ::= right_shift_equal + */ + + ++cursor; + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_geq; + } else if (*cursor == '>') { + ++cursor; + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else { + token_stream[(int) index++].kind = Token_shift; + } + } else { + token_stream[(int) index++].kind = '>'; + } +} + +void Lexer::scan_question() +{ + ++cursor; + token_stream[(int) index++].kind = '?'; +} + +void Lexer::scan_left_bracket() +{ + ++cursor; + token_stream[(int) index++].kind = '['; +} + +void Lexer::scan_right_bracket() +{ + ++cursor; + token_stream[(int) index++].kind = ']'; +} + +void Lexer::scan_xor() +{ + /* + '^' ::= xor + '^=' ::= xor_equal + */ + ++cursor; + + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else { + token_stream[(int) index++].kind = '^'; + } +} + +void Lexer::scan_left_brace() +{ + ++cursor; + token_stream[(int) index++].kind = '{'; +} + +void Lexer::scan_or() +{ + /* + '|' ::= or + '|=' ::= or_equal + '||' ::= or_or + */ + ++cursor; + if (*cursor == '=') { + ++cursor; + token_stream[(int) index++].kind = Token_assign; + } else if (*cursor == '|') { + ++cursor; + token_stream[(int) index++].kind = Token_or; + } else { + token_stream[(int) index++].kind = '|'; + } +} + +void Lexer::scan_right_brace() +{ + ++cursor; + token_stream[(int) index++].kind = '}'; +} + +void Lexer::scan_tilde() +{ + ++cursor; + token_stream[(int) index++].kind = '~'; +} + +void Lexer::scan_EOF() +{ + ++cursor; + token_stream[(int) index++].kind = Token_EOF; +} + +void Lexer::scan_invalid_input() +{ + QString errmsg(QLatin1String("invalid input: %1")); + reportError(errmsg); + ++cursor; +} + +void LocationTable::positionAt(std::size_t offset, int max_line, + int *line, int *column) const +{ + if (!(line && column && max_line != 0)) + return; + + int first = 0; + int len = max_line; + int half; + int middle; + + while (len > 0) { + half = len >> 1; + middle = first; + + middle += half; + + if (lines[middle] < offset) { + first = middle; + ++first; + len = len - half - 1; + } else + len = half; + } + + *line = std::max(first, 1); + *column = (int)(offset - lines[*line - 1] - 1); + + if (*column < 0) { + *column = 0; + } +} + +void Lexer::scanKeyword0() +{ + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword2() +{ + switch (*cursor) { + case 'i': + if (*(cursor + 1) == 'f') { + token_stream[(int) index++].kind = Token_if; + return; + } + break; + + case 'd': + if (*(cursor + 1) == 'o') { + token_stream[(int) index++].kind = Token_do; + return; + } + break; + + case 'o': + if (*(cursor + 1) == 'r') { + token_stream[(int) index++].kind = Token_or; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword3() +{ + switch (*cursor) { + case 'a': + if (*(cursor + 1) == 'n' && + *(cursor + 2) == 'd') { + token_stream[(int) index++].kind = Token_and; + return; + } + if (*(cursor + 1) == 's' && + *(cursor + 2) == 'm') { + token_stream[(int) index++].kind = Token_asm; + return; + } + break; + + case 'f': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'r') { + token_stream[(int) index++].kind = Token_for; + return; + } + break; + + case 'i': + if (*(cursor + 1) == 'n' && + *(cursor + 2) == 't') { + token_stream[(int) index++].kind = Token_int; + return; + } + break; + + case 'n': + if (*(cursor + 1) == 'e' && + *(cursor + 2) == 'w') { + token_stream[(int) index++].kind = Token_new; + return; + } + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 't') { + token_stream[(int) index++].kind = Token_not; + return; + } + break; + + case 't': + if (*(cursor + 1) == 'r' && + *(cursor + 2) == 'y') { + token_stream[(int) index++].kind = Token_try; + return; + } + break; + + case 'x': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'r') { + token_stream[(int) index++].kind = Token_xor; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword4() +{ + switch (*cursor) { + case 'a': + if (*(cursor + 1) == 'u' && + *(cursor + 2) == 't' && + *(cursor + 3) == 'o') { + token_stream[(int) index++].kind = Token_auto; + return; + } + break; + + case 'c': + if (*(cursor + 1) == 'a' && + *(cursor + 2) == 's' && + *(cursor + 3) == 'e') { + token_stream[(int) index++].kind = Token_case; + return; + } + if (*(cursor + 1) == 'h' && + *(cursor + 2) == 'a' && + *(cursor + 3) == 'r') { + token_stream[(int) index++].kind = Token_char; + return; + } + break; + + case 'b': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'o' && + *(cursor + 3) == 'l') { + token_stream[(int) index++].kind = Token_bool; + return; + } + break; + + case 'e': + if (*(cursor + 1) == 'l' && + *(cursor + 2) == 's' && + *(cursor + 3) == 'e') { + token_stream[(int) index++].kind = Token_else; + return; + } + if (*(cursor + 1) == 'm' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 't') { + token_stream[(int) index++].kind = Token_emit; + return; + } + if (*(cursor + 1) == 'n' && + *(cursor + 2) == 'u' && + *(cursor + 3) == 'm') { + token_stream[(int) index++].kind = Token_enum; + return; + } + break; + + case 'g': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 't' && + *(cursor + 3) == 'o') { + token_stream[(int) index++].kind = Token_goto; + return; + } + break; + + case 'l': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'n' && + *(cursor + 3) == 'g') { + token_stream[(int) index++].kind = Token_long; + return; + } + break; + + case 't': + if (*(cursor + 1) == 'h' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 's') { + token_stream[(int) index++].kind = Token_this; + return; + } + break; + + case 'v': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 'd') { + token_stream[(int) index++].kind = Token_void; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword5() +{ + switch (*cursor) { + case 'c': + if (*(cursor + 1) == 'a' && + *(cursor + 2) == 't' && + *(cursor + 3) == 'c' && + *(cursor + 4) == 'h') { + token_stream[(int) index++].kind = Token_catch; + return; + } + if (*(cursor + 1) == 'l' && + *(cursor + 2) == 'a' && + *(cursor + 3) == 's' && + *(cursor + 4) == 's') { + token_stream[(int) index++].kind = Token_class; + return; + } + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'm' && + *(cursor + 3) == 'p' && + *(cursor + 4) == 'l') { + token_stream[(int) index++].kind = Token_compl; + return; + } + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'n' && + *(cursor + 3) == 's' && + *(cursor + 4) == 't') { + token_stream[(int) index++].kind = Token_const; + return; + } + break; + + case 'b': + if (*(cursor + 1) == 'i' && + *(cursor + 2) == 't' && + *(cursor + 3) == 'o' && + *(cursor + 4) == 'r') { + token_stream[(int) index++].kind = Token_bitor; + return; + } + if (*(cursor + 1) == 'r' && + *(cursor + 2) == 'e' && + *(cursor + 3) == 'a' && + *(cursor + 4) == 'k') { + token_stream[(int) index++].kind = Token_break; + return; + } + break; + + case 'f': + if (*(cursor + 1) == 'l' && + *(cursor + 2) == 'o' && + *(cursor + 3) == 'a' && + *(cursor + 4) == 't') { + token_stream[(int) index++].kind = Token_float; + return; + } + break; + + case 'o': + if (*(cursor + 1) == 'r' && + *(cursor + 2) == '_' && + *(cursor + 3) == 'e' && + *(cursor + 4) == 'q') { + token_stream[(int) index++].kind = Token_or_eq; + return; + } + break; + + case 's': + if (*(cursor + 1) == 'h' && + *(cursor + 2) == 'o' && + *(cursor + 3) == 'r' && + *(cursor + 4) == 't') { + token_stream[(int) index++].kind = Token_short; + return; + } + if (*(cursor + 1) == 'l' && + *(cursor + 2) == 'o' && + *(cursor + 3) == 't' && + *(cursor + 4) == 's') { + token_stream[(int) index++].kind = Token_slots; + return; + } + break; + + case 'u': + if (*(cursor + 1) == 'n' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 'o' && + *(cursor + 4) == 'n') { + token_stream[(int) index++].kind = Token_union; + return; + } + if (*(cursor + 1) == 's' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 'n' && + *(cursor + 4) == 'g') { + token_stream[(int) index++].kind = Token_using; + return; + } + break; + + case 't': + if (*(cursor + 1) == 'h' && + *(cursor + 2) == 'r' && + *(cursor + 3) == 'o' && + *(cursor + 4) == 'w') { + token_stream[(int) index++].kind = Token_throw; + return; + } + break; + + case 'w': + if (*(cursor + 1) == 'h' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 'l' && + *(cursor + 4) == 'e') { + token_stream[(int) index++].kind = Token_while; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword6() +{ + switch (*cursor) { + case 'a': + if (*(cursor + 1) == 'n' && + *(cursor + 2) == 'd' && + *(cursor + 3) == '_' && + *(cursor + 4) == 'e' && + *(cursor + 5) == 'q') { + token_stream[(int) index++].kind = Token_and_eq; + return; + } + break; + + case 'b': + if (*(cursor + 1) == 'i' && + *(cursor + 2) == 't' && + *(cursor + 3) == 'a' && + *(cursor + 4) == 'n' && + *(cursor + 5) == 'd') { + token_stream[(int) index++].kind = Token_bitand; + return; + } + break; + + case 'e': + if (*(cursor + 1) == 'x' && + *(cursor + 2) == 'p' && + *(cursor + 3) == 'o' && + *(cursor + 4) == 'r' && + *(cursor + 5) == 't') { + token_stream[(int) index++].kind = Token_export; + return; + } + if (*(cursor + 1) == 'x' && + *(cursor + 2) == 't' && + *(cursor + 3) == 'e' && + *(cursor + 4) == 'r' && + *(cursor + 5) == 'n') { + token_stream[(int) index++].kind = Token_extern; + return; + } + break; + + case 'd': + if (*(cursor + 1) == 'e' && + *(cursor + 2) == 'l' && + *(cursor + 3) == 'e' && + *(cursor + 4) == 't' && + *(cursor + 5) == 'e') { + token_stream[(int) index++].kind = Token_delete; + return; + } + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'u' && + *(cursor + 3) == 'b' && + *(cursor + 4) == 'l' && + *(cursor + 5) == 'e') { + token_stream[(int) index++].kind = Token_double; + return; + } + break; + + case 'f': + if (*(cursor + 1) == 'r' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 'e' && + *(cursor + 4) == 'n' && + *(cursor + 5) == 'd') { + token_stream[(int) index++].kind = Token_friend; + return; + } + break; + + case 'i': + if (*(cursor + 1) == 'n' && + *(cursor + 2) == 'l' && + *(cursor + 3) == 'i' && + *(cursor + 4) == 'n' && + *(cursor + 5) == 'e') { + token_stream[(int) index++].kind = Token_inline; + return; + } + break; + + case 'K': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 'D' && + *(cursor + 3) == 'C' && + *(cursor + 4) == 'O' && + *(cursor + 5) == 'P') { + token_stream[(int) index++].kind = Token_K_DCOP; + return; + } + break; + + case 'n': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 't' && + *(cursor + 3) == '_' && + *(cursor + 4) == 'e' && + *(cursor + 5) == 'q') { + token_stream[(int) index++].kind = Token_not_eq; + return; + } + break; + + case 'p': + if (*(cursor + 1) == 'u' && + *(cursor + 2) == 'b' && + *(cursor + 3) == 'l' && + *(cursor + 4) == 'i' && + *(cursor + 5) == 'c') { + token_stream[(int) index++].kind = Token_public; + return; + } + break; + + case 's': + if (*(cursor + 1) == 'i' && + *(cursor + 2) == 'g' && + *(cursor + 3) == 'n' && + *(cursor + 4) == 'e' && + *(cursor + 5) == 'd') { + token_stream[(int) index++].kind = Token_signed; + return; + } + if (*(cursor + 1) == 'i' && + *(cursor + 2) == 'z' && + *(cursor + 3) == 'e' && + *(cursor + 4) == 'o' && + *(cursor + 5) == 'f') { + token_stream[(int) index++].kind = Token_sizeof; + return; + } + if (*(cursor + 1) == 't' && + *(cursor + 2) == 'a' && + *(cursor + 3) == 't' && + *(cursor + 4) == 'i' && + *(cursor + 5) == 'c') { + token_stream[(int) index++].kind = Token_static; + return; + } + if (*(cursor + 1) == 't' && + *(cursor + 2) == 'r' && + *(cursor + 3) == 'u' && + *(cursor + 4) == 'c' && + *(cursor + 5) == 't') { + token_stream[(int) index++].kind = Token_struct; + return; + } + if (*(cursor + 1) == 'w' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 't' && + *(cursor + 4) == 'c' && + *(cursor + 5) == 'h') { + token_stream[(int) index++].kind = Token_switch; + return; + } + break; + + case 'r': + if (*(cursor + 1) == 'e' && + *(cursor + 2) == 't' && + *(cursor + 3) == 'u' && + *(cursor + 4) == 'r' && + *(cursor + 5) == 'n') { + token_stream[(int) index++].kind = Token_return; + return; + } + break; + + case 't': + if (*(cursor + 1) == 'y' && + *(cursor + 2) == 'p' && + *(cursor + 3) == 'e' && + *(cursor + 4) == 'i' && + *(cursor + 5) == 'd') { + token_stream[(int) index++].kind = Token_typeid; + return; + } + break; + + case 'x': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'r' && + *(cursor + 3) == '_' && + *(cursor + 4) == 'e' && + *(cursor + 5) == 'q') { + token_stream[(int) index++].kind = Token_xor_eq; + return; + } + break; + + case 'k': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 'd' && + *(cursor + 3) == 'c' && + *(cursor + 4) == 'o' && + *(cursor + 5) == 'p') { + token_stream[(int) index++].kind = Token_k_dcop; + return; + } + break; + + case 'Q': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 'E' && + *(cursor + 3) == 'N' && + *(cursor + 4) == 'U' && + *(cursor + 5) == 'M') { // Qt5.5 + token_stream[(int) index++].kind = Token_Q_ENUM; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword7() +{ + switch (*cursor) { + case 'd': + if (*(cursor + 1) == 'e' && + *(cursor + 2) == 'f' && + *(cursor + 3) == 'a' && + *(cursor + 4) == 'u' && + *(cursor + 5) == 'l' && + *(cursor + 6) == 't') { + token_stream[(int) index++].kind = Token_default; + return; + } + break; + + case 'm': + if (*(cursor + 1) == 'u' && + *(cursor + 2) == 't' && + *(cursor + 3) == 'a' && + *(cursor + 4) == 'b' && + *(cursor + 5) == 'l' && + *(cursor + 6) == 'e') { + token_stream[(int) index++].kind = Token_mutable; + return; + } + break; + + case 'p': + if (*(cursor + 1) == 'r' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 'v' && + *(cursor + 4) == 'a' && + *(cursor + 5) == 't' && + *(cursor + 6) == 'e') { + token_stream[(int) index++].kind = Token_private; + return; + } + break; + case 's': + if (*(cursor + 1) == 'i' && + *(cursor + 2) == 'g' && + *(cursor + 3) == 'n' && + *(cursor + 4) == 'a' && + *(cursor + 5) == 'l' && + *(cursor + 6) == 's') { + token_stream[(int) index++].kind = Token_signals; + return; + } + break; + case 't': + if (*(cursor + 1) == 'y' && + *(cursor + 2) == 'p' && + *(cursor + 3) == 'e' && + *(cursor + 4) == 'd' && + *(cursor + 5) == 'e' && + *(cursor + 6) == 'f') { + token_stream[(int) index++].kind = Token_typedef; + return; + } + break; + + case 'v': + if (*(cursor + 1) == 'i' && + *(cursor + 2) == 'r' && + *(cursor + 3) == 't' && + *(cursor + 4) == 'u' && + *(cursor + 5) == 'a' && + *(cursor + 6) == 'l') { + token_stream[(int) index++].kind = Token_virtual; + return; + } + break; + + case 'Q': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 'E' && + *(cursor + 3) == 'N' && + *(cursor + 4) == 'U' && + *(cursor + 5) == 'M' && + *(cursor + 6) == 'S') { + token_stream[(int) index++].kind = Token_Q_ENUMS; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword8() +{ + switch (*cursor) { + case '_': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 't' && + *(cursor + 3) == 'y' && + *(cursor + 4) == 'p' && + *(cursor + 5) == 'e' && + *(cursor + 6) == 'o' && + *(cursor + 7) == 'f') { + token_stream[(int) index++].kind = Token___typeof; + return; + } + break; + + case 'c': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'n' && + *(cursor + 3) == 't' && + *(cursor + 4) == 'i' && + *(cursor + 5) == 'n' && + *(cursor + 6) == 'u' && + *(cursor + 7) == 'e') { + token_stream[(int) index++].kind = Token_continue; + return; + } + break; + + case 'e': + if (*(cursor + 1) == 'x' && + *(cursor + 2) == 'p' && + *(cursor + 3) == 'l' && + *(cursor + 4) == 'i' && + *(cursor + 5) == 'c' && + *(cursor + 6) == 'i' && + *(cursor + 7) == 't') { + token_stream[(int) index++].kind = Token_explicit; + return; + } + break; + + case 'n': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'e' && + *(cursor + 3) == 'x' && + *(cursor + 4) == 'c' && + *(cursor + 5) == 'e' && + *(cursor + 6) == 'p' && + *(cursor + 7) == 't') { + token_stream[(int) index++].kind = Token_noexcept; + return; + } + break; + + case 'o': + if (*(cursor + 1) == 'p' && + *(cursor + 2) == 'e' && + *(cursor + 3) == 'r' && + *(cursor + 4) == 'a' && + *(cursor + 5) == 't' && + *(cursor + 6) == 'o' && + *(cursor + 7) == 'r') { + token_stream[(int) index++].kind = Token_operator; + return; + } + break; + + case 'Q': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 'O' && + *(cursor + 3) == 'B' && + *(cursor + 4) == 'J' && + *(cursor + 5) == 'E' && + *(cursor + 6) == 'C' && + *(cursor + 7) == 'T') { + token_stream[(int) index++].kind = Token_Q_OBJECT; + return; + } + break; + + case 'r': + if (*(cursor + 1) == 'e' && + *(cursor + 2) == 'g' && + *(cursor + 3) == 'i' && + *(cursor + 4) == 's' && + *(cursor + 5) == 't' && + *(cursor + 6) == 'e' && + *(cursor + 7) == 'r') { + token_stream[(int) index++].kind = Token_register; + return; + } + break; + + case 'u': + if (*(cursor + 1) == 'n' && + *(cursor + 2) == 's' && + *(cursor + 3) == 'i' && + *(cursor + 4) == 'g' && + *(cursor + 5) == 'n' && + *(cursor + 6) == 'e' && + *(cursor + 7) == 'd') { + token_stream[(int) index++].kind = Token_unsigned; + return; + } + break; + + case 't': + if (*(cursor + 1) == 'e' && + *(cursor + 2) == 'm' && + *(cursor + 3) == 'p' && + *(cursor + 4) == 'l' && + *(cursor + 5) == 'a' && + *(cursor + 6) == 't' && + *(cursor + 7) == 'e') { + token_stream[(int) index++].kind = Token_template; + return; + } + if (*(cursor + 1) == 'y' && + *(cursor + 2) == 'p' && + *(cursor + 3) == 'e' && + *(cursor + 4) == 'n' && + *(cursor + 5) == 'a' && + *(cursor + 6) == 'm' && + *(cursor + 7) == 'e') { + token_stream[(int) index++].kind = Token_typename; + return; + } + break; + + case 'v': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'l' && + *(cursor + 3) == 'a' && + *(cursor + 4) == 't' && + *(cursor + 5) == 'i' && + *(cursor + 6) == 'l' && + *(cursor + 7) == 'e') { + token_stream[(int) index++].kind = Token_volatile; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword9() +{ + switch (*cursor) { + case 'p': + if (*(cursor + 1) == 'r' && + *(cursor + 2) == 'o' && + *(cursor + 3) == 't' && + *(cursor + 4) == 'e' && + *(cursor + 5) == 'c' && + *(cursor + 6) == 't' && + *(cursor + 7) == 'e' && + *(cursor + 8) == 'd') { + token_stream[(int) index++].kind = Token_protected; + return; + } + break; + + case 'n': + if (*(cursor + 1) == 'a' && + *(cursor + 2) == 'm' && + *(cursor + 3) == 'e' && + *(cursor + 4) == 's' && + *(cursor + 5) == 'p' && + *(cursor + 6) == 'a' && + *(cursor + 7) == 'c' && + *(cursor + 8) == 'e') { + token_stream[(int) index++].kind = Token_namespace; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword10() +{ + switch (*cursor) { + case 'c': + if (*(cursor + 1) == 'o' && + *(cursor + 2) == 'n' && + *(cursor + 3) == 's' && + *(cursor + 4) == 't' && + *(cursor + 5) == '_' && + *(cursor + 6) == 'c' && + *(cursor + 7) == 'a' && + *(cursor + 8) == 's' && + *(cursor + 9) == 't') { + token_stream[(int) index++].kind = Token_const_cast; + return; + } + break; + + case 'Q': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 'P' && + *(cursor + 3) == 'R' && + *(cursor + 4) == 'O' && + *(cursor + 5) == 'P' && + *(cursor + 6) == 'E' && + *(cursor + 7) == 'R' && + *(cursor + 8) == 'T' && + *(cursor + 9) == 'Y') { + token_stream[(int) index++].kind = Token_Q_PROPERTY; + return; + } + + break; + } + + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword11() +{ + switch (*cursor) { + case 'Q': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 'I' && + *(cursor + 3) == 'N' && + *(cursor + 4) == 'V' && + *(cursor + 5) == 'O' && + *(cursor + 6) == 'K' && + *(cursor + 7) == 'A' && + *(cursor + 8) == 'B' && + *(cursor + 9) == 'L' && + *(cursor + 10) == 'E') { + token_stream[(int) index++].kind = Token_Q_INVOKABLE; + return; + } + break; + + case 's': + if (*(cursor + 1) == 't' && + *(cursor + 2) == 'a' && + *(cursor + 3) == 't' && + *(cursor + 4) == 'i' && + *(cursor + 5) == 'c' && + *(cursor + 6) == '_' && + *(cursor + 7) == 'c' && + *(cursor + 8) == 'a' && + *(cursor + 9) == 's' && + *(cursor + 10) == 't') { + token_stream[(int) index++].kind = Token_static_cast; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword12() +{ + switch (*cursor) { + case 'd': + if (*(cursor + 1) == 'y' && + *(cursor + 2) == 'n' && + *(cursor + 3) == 'a' && + *(cursor + 4) == 'm' && + *(cursor + 5) == 'i' && + *(cursor + 6) == 'c' && + *(cursor + 7) == '_' && + *(cursor + 8) == 'c' && + *(cursor + 9) == 'a' && + *(cursor + 10) == 's' && + *(cursor + 11) == 't') { + token_stream[(int) index++].kind = Token_dynamic_cast; + return; + } + break; + + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword13() +{ + switch (*cursor) { + case '_': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 'a' && + *(cursor + 3) == 't' && + *(cursor + 4) == 't' && + *(cursor + 5) == 'r' && + *(cursor + 6) == 'i' && + *(cursor + 7) == 'b' && + *(cursor + 8) == 'u' && + *(cursor + 9) == 't' && + *(cursor + 10) == 'e' && + *(cursor + 11) == '_' && + *(cursor + 12) == '_') { + token_stream[(int) index++].kind = Token___attribute__; + return; + } + break; + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword14() +{ + switch (*cursor) { + case 'k': + if (*(cursor + 1) == '_' && + *(cursor + 2) == 'd' && + *(cursor + 3) == 'c' && + *(cursor + 4) == 'o' && + *(cursor + 5) == 'p' && + *(cursor + 6) == '_' && + *(cursor + 7) == 's' && + *(cursor + 8) == 'i' && + *(cursor + 9) == 'g' && + *(cursor + 10) == 'n' && + *(cursor + 11) == 'a' && + *(cursor + 12) == 'l' && + *(cursor + 13) == 's') { + token_stream[(int) index++].kind = Token_k_dcop_signals; + return; + } + break; + } + token_stream[(int) index++].kind = Token_identifier; +} + +void Lexer::scanKeyword16() +{ + switch (*cursor) { + case 'r': + if (*(cursor + 1) == 'e' && + *(cursor + 2) == 'i' && + *(cursor + 3) == 'n' && + *(cursor + 4) == 't' && + *(cursor + 5) == 'e' && + *(cursor + 6) == 'r' && + *(cursor + 7) == 'p' && + *(cursor + 8) == 'r' && + *(cursor + 9) == 'e' && + *(cursor + 10) == 't' && + *(cursor + 11) == '_' && + *(cursor + 12) == 'c' && + *(cursor + 13) == 'a' && + *(cursor + 14) == 's' && + *(cursor + 15) == 't') { + token_stream[(int) index++].kind = Token_reinterpret_cast; + return; + } + break; + } + + token_stream[(int) index++].kind = Token_identifier; +} + +// kate: space-indent on; indent-width 2; replace-tabs on; |