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annotate src/libvterm/src/parser.c @ 20518:a4652d7ec99f v8.2.0813

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patch 8.2.0813: libvterm code is slightly different from upstream Commit: https://github.com/vim/vim/commit/591cec8366e87a172495c362477cbf5de8d399f0 Author: Bram Moolenaar <Bram@vim.org> Date: Fri May 22 22:06:06 2020 +0200 patch 8.2.0813: libvterm code is slightly different from upstream Problem: libvterm code is slightly different from upstream. Solution: Use upstream text to avoid future merge problems. Mainly comment style changes.
author Bram Moolenaar <Bram@vim.org>
date Fri, 22 May 2020 22:15:04 +0200
parents 55a373a243c0
children f93337ae0612
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #include "vterm_internal.h"
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2
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3 #include <stdio.h>
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4 #include <string.h>
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5
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6 #undef DEBUG_PARSER
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7
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8 static int is_intermed(unsigned char c)
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9 {
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10 return c >= 0x20 && c <= 0x2f;
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11 }
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12
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13 static void do_control(VTerm *vt, unsigned char control)
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14 {
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15 if(vt->parser.callbacks && vt->parser.callbacks->control)
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16 if((*vt->parser.callbacks->control)(control, vt->parser.cbdata))
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17 return;
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18
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19 DEBUG_LOG1("libvterm: Unhandled control 0x%02x\n", control);
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20 }
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21
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22 static void do_csi(VTerm *vt, char command)
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23 {
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24 #ifdef DEBUG_PARSER
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25 printf("Parsed CSI args as:\n", arglen, args);
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26 printf(" leader: %s\n", vt->parser.v.csi.leader);
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27 for(int argi = 0; argi < vt->parser.v.csi.argi; argi++) {
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28 printf(" %lu", CSI_ARG(vt->parser.v.csi.args[argi]));
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29 if(!CSI_ARG_HAS_MORE(vt->parser.v.csi.args[argi]))
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30 printf("\n");
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31 printf(" intermed: %s\n", vt->parser.intermed);
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32 }
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33 #endif
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34
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35 if(vt->parser.callbacks && vt->parser.callbacks->csi)
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36 if((*vt->parser.callbacks->csi)(
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37 vt->parser.v.csi.leaderlen ? vt->parser.v.csi.leader : NULL,
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38 vt->parser.v.csi.args,
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39 vt->parser.v.csi.argi,
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40 vt->parser.intermedlen ? vt->parser.intermed : NULL,
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41 command,
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42 vt->parser.cbdata))
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43 return;
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44
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45 DEBUG_LOG1("libvterm: Unhandled CSI %c\n", command);
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46 }
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47
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48 static void do_escape(VTerm *vt, char command)
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49 {
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50 char seq[INTERMED_MAX+1];
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51
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52 size_t len = vt->parser.intermedlen;
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53 strncpy(seq, vt->parser.intermed, len);
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54 seq[len++] = command;
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55 seq[len] = 0;
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56
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57 if(vt->parser.callbacks && vt->parser.callbacks->escape)
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58 if((*vt->parser.callbacks->escape)(seq, len, vt->parser.cbdata))
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59 return;
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60
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61 DEBUG_LOG1("libvterm: Unhandled escape ESC 0x%02x\n", command);
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62 }
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63
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64 static void string_fragment(VTerm *vt, const char *str, size_t len, int final)
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65 {
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66 VTermStringFragment frag;
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67
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68 frag.str = str;
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69 frag.len = len;
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70 frag.initial = vt->parser.string_initial;
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71 frag.final = final;
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72
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73 switch(vt->parser.state) {
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74 case OSC:
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75 if(vt->parser.callbacks && vt->parser.callbacks->osc)
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76 (*vt->parser.callbacks->osc)(vt->parser.v.osc.command, frag, vt->parser.cbdata);
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77 break;
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78
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79 case DCS:
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80 if(len && vt->parser.callbacks && vt->parser.callbacks->dcs)
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81 (*vt->parser.callbacks->dcs)(vt->parser.v.dcs.command, vt->parser.v.dcs.commandlen, frag, vt->parser.cbdata);
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82 break;
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83
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84 case NORMAL:
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85 case CSI_LEADER:
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86 case CSI_ARGS:
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87 case CSI_INTERMED:
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88 case OSC_COMMAND:
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89 case DCS_COMMAND:
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90 break;
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91 }
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92
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93 vt->parser.string_initial = FALSE;
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94 }
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95
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96 size_t vterm_input_write(VTerm *vt, const char *bytes, size_t len)
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97 {
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98 size_t pos = 0;
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99 const char *string_start = NULL; // init to avoid gcc warning
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100
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101 vt->in_backspace = 0; // Count down with BS key and activate when
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102 // it reaches 1
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103
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104 switch(vt->parser.state) {
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105 case NORMAL:
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106 case CSI_LEADER:
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107 case CSI_ARGS:
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108 case CSI_INTERMED:
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109 case OSC_COMMAND:
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110 case DCS_COMMAND:
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111 string_start = NULL;
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112 break;
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113 case OSC:
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114 case DCS:
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115 string_start = bytes;
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116 break;
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117 }
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118
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119 #define ENTER_STATE(st) do { vt->parser.state = st; string_start = NULL; } while(0)
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120 #define ENTER_NORMAL_STATE() ENTER_STATE(NORMAL)
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121
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122 #define IS_STRING_STATE() (vt->parser.state >= OSC_COMMAND)
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123
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124 for( ; pos < len; pos++) {
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125 unsigned char c = bytes[pos];
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parents: 19091
diff changeset
126 int c1_allowed = !vt->mode.utf8;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
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parents: 19091
diff changeset
127 size_t string_len;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
128
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
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parents: 13606
diff changeset
129 if(c == 0x00 || c == 0x7f) { // NUL, DEL
20498
55a373a243c0 patch 8.2.0803: libvterm code lags behind the upstream version
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parents: 20488
diff changeset
130 if(IS_STRING_STATE()) {
20488
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parents: 19091
diff changeset
131 string_fragment(vt, string_start, bytes + pos - string_start, FALSE);
11621
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parents:
diff changeset
132 string_start = bytes + pos + 1;
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parents:
diff changeset
133 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
134 continue;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
135 }
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
Christian Brabandt <cb@256bit.org>
parents: 13606
diff changeset
136 if(c == 0x18 || c == 0x1a) { // CAN, SUB
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
137 vt->parser.in_esc = FALSE;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
138 ENTER_NORMAL_STATE();
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
139 continue;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
140 }
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
Christian Brabandt <cb@256bit.org>
parents: 13606
diff changeset
141 else if(c == 0x1b) { // ESC
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
142 vt->parser.intermedlen = 0;
20498
55a373a243c0 patch 8.2.0803: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20488
diff changeset
143 if(!IS_STRING_STATE())
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
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parents: 19091
diff changeset
144 vt->parser.state = NORMAL;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
145 vt->parser.in_esc = TRUE;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
146 continue;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
147 }
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
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parents: 13606
diff changeset
148 else if(c == 0x07 && // BEL, can stand for ST in OSC or DCS state
20498
55a373a243c0 patch 8.2.0803: libvterm code lags behind the upstream version
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parents: 20488
diff changeset
149 IS_STRING_STATE()) {
13770
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diff changeset
150 // fallthrough
11621
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parents:
diff changeset
151 }
13770
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parents: 13606
diff changeset
152 else if(c < 0x20) { // other C0
18064
8b4f9be5db73 patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents: 17777
diff changeset
153 if(vterm_get_special_pty_type() == 2) {
8b4f9be5db73 patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents: 17777
diff changeset
154 if(c == 0x08) // BS
8b4f9be5db73 patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents: 17777
diff changeset
155 // Set the trick for BS output after a sequence, to delay backspace
8b4f9be5db73 patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents: 17777
diff changeset
156 // activation
8b4f9be5db73 patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents: 17777
diff changeset
157 if(pos + 2 < len && bytes[pos + 1] == 0x20 && bytes[pos + 2] == 0x08)
8b4f9be5db73 patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents: 17777
diff changeset
158 vt->in_backspace = 2; // Trigger when count down to 1
8b4f9be5db73 patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents: 17777
diff changeset
159 }
20498
55a373a243c0 patch 8.2.0803: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20488
diff changeset
160 if(IS_STRING_STATE())
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
161 string_fragment(vt, string_start, bytes + pos - string_start, FALSE);
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
162 do_control(vt, c);
20498
55a373a243c0 patch 8.2.0803: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20488
diff changeset
163 if(IS_STRING_STATE())
11621
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
164 string_start = bytes + pos + 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
165 continue;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
166 }
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
Christian Brabandt <cb@256bit.org>
parents: 13606
diff changeset
167 // else fallthrough
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
168
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
169 string_len = bytes + pos - string_start;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
170
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
171 if(vt->parser.in_esc) {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
172 // Hoist an ESC letter into a C1 if we're not in a string mode
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
173 // Always accept ESC \ == ST even in string mode
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
174 if(!vt->parser.intermedlen &&
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
175 c >= 0x40 && c < 0x60 &&
20498
55a373a243c0 patch 8.2.0803: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20488
diff changeset
176 ((!IS_STRING_STATE() || c == 0x5c))) {
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
177 c += 0x40;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
178 c1_allowed = TRUE;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
179 string_len -= 1;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
180 vt->parser.in_esc = FALSE;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
181 }
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
182 else {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
183 string_start = NULL;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
184 vt->parser.state = NORMAL;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
185 }
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
186 }
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
187
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
188 switch(vt->parser.state) {
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
189 case CSI_LEADER:
20518
a4652d7ec99f patch 8.2.0813: libvterm code is slightly different from upstream
Bram Moolenaar <Bram@vim.org>
parents: 20498
diff changeset
190 /* Extract leader bytes 0x3c to 0x3f */
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
191 if(c >= 0x3c && c <= 0x3f) {
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
192 if(vt->parser.v.csi.leaderlen < CSI_LEADER_MAX-1)
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
193 vt->parser.v.csi.leader[vt->parser.v.csi.leaderlen++] = c;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
194 break;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
195 }
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
196
20518
a4652d7ec99f patch 8.2.0813: libvterm code is slightly different from upstream
Bram Moolenaar <Bram@vim.org>
parents: 20498
diff changeset
197 /* else fallthrough */
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
198 vt->parser.v.csi.leader[vt->parser.v.csi.leaderlen] = 0;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
199
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
200 vt->parser.v.csi.argi = 0;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
201 vt->parser.v.csi.args[0] = CSI_ARG_MISSING;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
202 vt->parser.state = CSI_ARGS;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
203
20518
a4652d7ec99f patch 8.2.0813: libvterm code is slightly different from upstream
Bram Moolenaar <Bram@vim.org>
parents: 20498
diff changeset
204 /* fallthrough */
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
205 case CSI_ARGS:
20518
a4652d7ec99f patch 8.2.0813: libvterm code is slightly different from upstream
Bram Moolenaar <Bram@vim.org>
parents: 20498
diff changeset
206 /* Numerical value of argument */
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
207 if(c >= '0' && c <= '9') {
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
208 if(vt->parser.v.csi.args[vt->parser.v.csi.argi] == CSI_ARG_MISSING)
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
209 vt->parser.v.csi.args[vt->parser.v.csi.argi] = 0;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
210 vt->parser.v.csi.args[vt->parser.v.csi.argi] *= 10;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
211 vt->parser.v.csi.args[vt->parser.v.csi.argi] += c - '0';
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
212 break;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
213 }
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
214 if(c == ':') {
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
215 vt->parser.v.csi.args[vt->parser.v.csi.argi] |= CSI_ARG_FLAG_MORE;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
216 c = ';';
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
217 }
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
218 if(c == ';') {
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
219 vt->parser.v.csi.argi++;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
220 vt->parser.v.csi.args[vt->parser.v.csi.argi] = CSI_ARG_MISSING;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
221 break;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
222 }
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
223
20518
a4652d7ec99f patch 8.2.0813: libvterm code is slightly different from upstream
Bram Moolenaar <Bram@vim.org>
parents: 20498
diff changeset
224 /* else fallthrough */
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
225 vt->parser.v.csi.argi++;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
226 vt->parser.intermedlen = 0;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
227 vt->parser.state = CSI_INTERMED;
17777
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 13770
diff changeset
228 // fallthrough
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
229 case CSI_INTERMED:
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
230 if(is_intermed(c)) {
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
231 if(vt->parser.intermedlen < INTERMED_MAX-1)
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
232 vt->parser.intermed[vt->parser.intermedlen++] = c;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
233 break;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
234 }
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
235 else if(c == 0x1b) {
20518
a4652d7ec99f patch 8.2.0813: libvterm code is slightly different from upstream
Bram Moolenaar <Bram@vim.org>
parents: 20498
diff changeset
236 /* ESC in CSI cancels */
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
237 }
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
238 else if(c >= 0x40 && c <= 0x7e) {
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
239 vt->parser.intermed[vt->parser.intermedlen] = 0;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
240 do_csi(vt, c);
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
241 }
20518
a4652d7ec99f patch 8.2.0813: libvterm code is slightly different from upstream
Bram Moolenaar <Bram@vim.org>
parents: 20498
diff changeset
242 /* else was invalid CSI */
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
243
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
244 ENTER_NORMAL_STATE();
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
245 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
246
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
247 case OSC_COMMAND:
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
248 /* Numerical value of command */
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
249 if(c >= '0' && c <= '9') {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
250 if(vt->parser.v.osc.command == -1)
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
251 vt->parser.v.osc.command = 0;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
252 else
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
253 vt->parser.v.osc.command *= 10;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
254 vt->parser.v.osc.command += c - '0';
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
255 break;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
256 }
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
257 if(c == ';') {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
258 vt->parser.state = OSC;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
259 string_start = bytes + pos + 1;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
260 break;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
261 }
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
262
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
263 /* else fallthrough */
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
264 string_start = bytes + pos;
20498
55a373a243c0 patch 8.2.0803: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20488
diff changeset
265 string_len = 0;
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
266 vt->parser.state = OSC;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
267 goto string_state;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
268
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
269 case DCS_COMMAND:
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
270 if(vt->parser.v.dcs.commandlen < CSI_LEADER_MAX)
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
271 vt->parser.v.dcs.command[vt->parser.v.dcs.commandlen++] = c;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
272
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
273 if(c >= 0x40 && c<= 0x7e) {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
274 string_start = bytes + pos + 1;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
275 vt->parser.state = DCS;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
276 }
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
277 break;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
278
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
279 string_state:
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
280 case OSC:
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
281 case DCS:
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
282 if(c == 0x07 || (c1_allowed && c == 0x9c)) {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
283 string_fragment(vt, string_start, string_len, TRUE);
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
284 ENTER_NORMAL_STATE();
13604
caa9825b04cd patch 8.0.1674: libvterm can't handle an OSC string split
Christian Brabandt <cb@256bit.org>
parents: 13531
diff changeset
285 }
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
286 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
287
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
288 case NORMAL:
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
289 if(vt->parser.in_esc) {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
290 if(is_intermed(c)) {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
291 if(vt->parser.intermedlen < INTERMED_MAX-1)
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
292 vt->parser.intermed[vt->parser.intermedlen++] = c;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
293 }
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
294 else if(c >= 0x30 && c < 0x7f) {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
295 do_escape(vt, c);
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
296 vt->parser.in_esc = 0;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
297 ENTER_NORMAL_STATE();
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
298 }
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
299 else {
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
300 DEBUG_LOG1("TODO: Unhandled byte %02x in Escape\n", c);
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
301 }
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
302 break;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
303 }
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
304 if(c1_allowed && c >= 0x80 && c < 0xa0) {
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
305 switch(c) {
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
Christian Brabandt <cb@256bit.org>
parents: 13606
diff changeset
306 case 0x90: // DCS
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
307 vt->parser.string_initial = TRUE;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
308 vt->parser.v.dcs.commandlen = 0;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
309 ENTER_STATE(DCS_COMMAND);
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
310 break;
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
Christian Brabandt <cb@256bit.org>
parents: 13606
diff changeset
311 case 0x9b: // CSI
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
312 vt->parser.v.csi.leaderlen = 0;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
313 ENTER_STATE(CSI_LEADER);
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
314 break;
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
Christian Brabandt <cb@256bit.org>
parents: 13606
diff changeset
315 case 0x9d: // OSC
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
316 vt->parser.v.osc.command = -1;
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
317 vt->parser.string_initial = TRUE;
20498
55a373a243c0 patch 8.2.0803: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20488
diff changeset
318 string_start = bytes + pos + 1;
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
319 ENTER_STATE(OSC_COMMAND);
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
320 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
321 default:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
322 do_control(vt, c);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
323 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
324 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
325 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
326 else {
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
327 size_t eaten = 0;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
328 if(vt->parser.callbacks && vt->parser.callbacks->text)
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
329 eaten = (*vt->parser.callbacks->text)(bytes + pos, len - pos, vt->parser.cbdata);
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
330
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
331 if(!eaten) {
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
332 DEBUG_LOG("libvterm: Text callback did not consume any input\n");
20518
a4652d7ec99f patch 8.2.0813: libvterm code is slightly different from upstream
Bram Moolenaar <Bram@vim.org>
parents: 20498
diff changeset
333 /* force it to make progress */
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
334 eaten = 1;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
335 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
336
13770
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm
Christian Brabandt <cb@256bit.org>
parents: 13606
diff changeset
337 pos += (eaten - 1); // we'll ++ it again in a moment
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
338 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
339 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
340 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
341 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
342
20488
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
343 if(string_start)
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
344 string_fragment(vt, string_start, bytes + pos - string_start, FALSE);
1d595fada804 patch 8.2.0798: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 19091
diff changeset
345
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
346 return len;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
347 }
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
348
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
349 void vterm_parser_set_callbacks(VTerm *vt, const VTermParserCallbacks *callbacks, void *user)
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
350 {
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
351 vt->parser.callbacks = callbacks;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
352 vt->parser.cbdata = user;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
353 }
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
354
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
355 void *vterm_parser_get_cbdata(VTerm *vt)
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
356 {
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
357 return vt->parser.cbdata;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 11761
diff changeset
358 }