annotate lwasm/input.c @ 246:b97460509c3d

Update version number to mark development past 4.7
author William Astle <lost@l-w.ca>
date Thu, 24 Jan 2013 20:58:30 -0700
parents 3864d96ee8c7
children 4b36eaaf80c3
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1 /*
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2 input.c
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3
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4 Copyright © 2010 William Astle
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5
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6 This file is part of LWTOOLS.
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7
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8 LWTOOLS is free software: you can redistribute it and/or modify it under the
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9 terms of the GNU General Public License as published by the Free Software
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10 Foundation, either version 3 of the License, or (at your option) any later
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11 version.
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12
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13 This program is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 more details.
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17
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18 You should have received a copy of the GNU General Public License along with
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19 this program. If not, see <http://www.gnu.org/licenses/>.
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20 */
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21
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22 /*
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23 This file is used to handle reading input files. It serves to encapsulate
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24 the entire input system to make porting to different media and systems
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25 less difficult.
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26 */
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27
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28 #include <errno.h>
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29 #include <stdio.h>
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30 #include <string.h>
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31
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32 #include <lw_alloc.h>
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33 #include <lw_stringlist.h>
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34 #include <lw_string.h>
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35 #include <lw_error.h>
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36
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37 #include "lwasm.h"
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38 #include "input.h"
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39
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40 /*
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41 Data type for storing input buffers
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42 */
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43
219
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44 #define IGNOREERROR (errno == ENOENT && (as -> preprocess || as -> flags & FLAG_DEPENDNOERR))
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45
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46 enum input_types_e
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47 {
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48 input_type_file, // regular file, no search path
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49 input_type_include, // include path, start from "local"
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50 input_type_string, // input from a string
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51
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52 input_type_error // invalid input type
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53 };
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54
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55 struct input_stack_node
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56 {
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57 input_stack_entry *entry;
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58 struct input_stack_node *next;
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59 };
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60
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61 struct input_stack
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62 {
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63 struct input_stack *next;
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64 int type;
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65 void *data;
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66 int data2;
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67 char *filespec;
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68 struct input_stack_node *stack;
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69 };
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70
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71 static char *make_filename(char *p, char *f)
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72 {
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73 int l;
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74 char *r;
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75 l = strlen(p) + strlen(f) + 1;
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76 r = lw_alloc(l + 1);
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77 sprintf(r, "%s/%s", p, f);
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78 return r;
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79 }
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80
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81 #define IS ((struct input_stack *)(as -> input_data))
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82
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83 struct ifl *ifl_head = NULL;
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84
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85 /* this adds real filenames that were opened to a list */
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86 void input_add_to_resource_list(asmstate_t *as, const char *s)
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87 {
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88 struct ifl *ifl;
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89
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90 /* first see if the file is already referenced */
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91 for (ifl = ifl_head; ifl; ifl = ifl -> next)
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92 {
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93 if (strcmp(s, ifl -> fn) == 0)
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94 break;
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95 }
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96 if (!ifl)
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97 {
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98 ifl = lw_alloc(sizeof(struct ifl));
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99 ifl -> next = ifl_head;
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100 ifl_head = ifl;
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101 ifl -> fn = lw_strdup(s);
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102 }
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103 }
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104
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105 void input_init(asmstate_t *as)
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106 {
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107 struct input_stack *t;
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108
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109 if (as -> file_dir)
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110 lw_stack_destroy(as -> file_dir);
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111 as -> file_dir = lw_stack_create(lw_free);
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112 as -> includelist = lw_stack_create(lw_free);
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113 lw_stringlist_reset(as -> input_files);
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114 while (IS)
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115 {
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116 t = IS;
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117 as -> input_data = IS -> next;
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118 lw_free(t);
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119 }
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120 }
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121
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122 void input_pushpath(asmstate_t *as, char *fn)
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123 {
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124 /* take apart fn into path and filename then push the path */
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125 /* onto the current file path stack */
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126
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127 /* also add it to the list of files included */
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128 char *dn, *dp;
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129 // int o;
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130
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131 dn = lw_strdup(fn);
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132 lw_stack_push(as -> includelist, dn);
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133
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134 dn = lw_strdup(fn);
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135 dp = dn + strlen(dn);
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136
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137 while (--dp != dn)
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138 {
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139 if (*dp == '/')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
140 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
141 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
142 if (*dp == '/')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
143 *dp = '\0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
144
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
145 if (dp == dn)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
146 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
147 lw_free(dn);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
148 dn = lw_strdup(".");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
149 lw_stack_push(as -> file_dir, dn);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
150 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
151 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
152 dp = lw_strdup(dn);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
153 lw_free(dn);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
154 lw_stack_push(as -> file_dir, dp);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
155 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
156
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
157 void input_openstring(asmstate_t *as, char *s, char *str)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
158 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
159 struct input_stack *t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
160
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
161 t = lw_alloc(sizeof(struct input_stack));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
162 t -> filespec = lw_strdup(s);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
163
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
164 t -> type = input_type_string;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
165 t -> data = lw_strdup(str);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
166 t -> data2 = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
167 t -> next = IS;
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
168 t -> stack = NULL;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
169 as -> input_data = t;
93
5bf9edabd661 Squashed the remaining memory leaks revealed by valgrind
lost@l-w.ca
parents: 74
diff changeset
170 // t -> filespec = lw_strdup(s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
171 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
172
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
173 void input_open(asmstate_t *as, char *s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
174 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
175 struct input_stack *t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
176 char *s2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
177 char *p, *p2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
178
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
179 t = lw_alloc(sizeof(struct input_stack));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
180 t -> filespec = lw_strdup(s);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
181
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
182 for (s2 = s; *s2 && (*s2 != ':'); s2++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
183 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
184 if (!*s2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
185 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
186 t -> type = input_type_file;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
187 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
188 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
189 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
190 char *ts;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
191
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
192 ts = lw_strndup(s, s2 - s);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
193 s = s2 + 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
194 if (!strcmp(ts, "include"))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
195 t -> type = input_type_include;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
196 else if (!strcmp(ts, "file"))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
197 t -> type = input_type_file;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
198 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
199 t -> type = input_type_error;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
200
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
201 lw_free(ts);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
202 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
203 t -> next = as -> input_data;
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
204 t -> stack = NULL;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
205 as -> input_data = t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
206
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
207 switch (IS -> type)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
208 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
209 case input_type_include:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
210 /* first check for absolute path and if so, skip path */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
211 if (*s == '/')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
212 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
213 /* absolute path */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
214 IS -> data = fopen(s, "rb");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
215 debug_message(as, 1, "Opening (abs) %s", s);
73
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
216 if (!IS -> data && !IGNOREERROR)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
217 {
74
e95eaf2f7fe0 Added missing newlines to error messages related to opening files
lost@l-w.ca
parents: 73
diff changeset
218 lw_error("Cannot open file '%s': %s\n", s, strerror(errno));
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
219 }
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 186
diff changeset
220 else
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 186
diff changeset
221 {
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 186
diff changeset
222 as -> fileerr = 1;
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 186
diff changeset
223 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
224 input_pushpath(as, s);
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
225 input_add_to_resource_list(as, s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
226 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
227 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
228
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
229 /* relative path, check relative to "current file" directory */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
230 p = lw_stack_top(as -> file_dir);
10
127e5b1e01c0 Removed use of asprintf() and added Makefile options for cross compiling; also a bugfix with sizeof{} in lwasm
lost@l-w.ca
parents: 2
diff changeset
231 p2 = make_filename(p, s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
232 debug_message(as, 1, "Open: (cd) %s\n", p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
233 IS -> data = fopen(p2, "rb");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
234 if (IS -> data)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
235 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
236 input_pushpath(as, p2);
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
237 input_add_to_resource_list(as, p2);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
238 lw_free(p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
239 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
240 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
241 debug_message(as, 2, "Failed to open: (cd) %s (%s)\n", p2, strerror(errno));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
242 lw_free(p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
243
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
244 /* now check relative to entries in the search path */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
245 lw_stringlist_reset(as -> include_list);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
246 while ((p = lw_stringlist_current(as -> include_list)))
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
247 {
10
127e5b1e01c0 Removed use of asprintf() and added Makefile options for cross compiling; also a bugfix with sizeof{} in lwasm
lost@l-w.ca
parents: 2
diff changeset
248 p2 = make_filename(p, s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
249 debug_message(as, 1, "Open (sp): %s\n", p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
250 IS -> data = fopen(p2, "rb");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
251 if (IS -> data)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
252 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
253 input_pushpath(as, p2);
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
254 input_add_to_resource_list(as, p2);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
255 lw_free(p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
256 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
257 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
258 debug_message(as, 2, "Failed to open: (sp) %s (%s)\n", p2, strerror(errno));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
259 lw_free(p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
260 lw_stringlist_next(as -> include_list);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
261 }
73
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
262 if (IGNOREERROR)
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
263 {
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
264 input_pushpath(as, s);
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 186
diff changeset
265 as -> fileerr = 1;
73
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
266 return;
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
267 }
74
e95eaf2f7fe0 Added missing newlines to error messages related to opening files
lost@l-w.ca
parents: 73
diff changeset
268 lw_error("Cannot open include file '%s': %s\n", s, strerror(errno));
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
269 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
270
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
271 case input_type_file:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
272 debug_message(as, 1, "Opening (reg): %s\n", s);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
273 IS -> data = fopen(s, "rb");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
274
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
275 if (!IS -> data)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
276 {
74
e95eaf2f7fe0 Added missing newlines to error messages related to opening files
lost@l-w.ca
parents: 73
diff changeset
277 lw_error("Cannot open file '%s': %s\n", s, strerror(errno));
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
278 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
279 input_pushpath(as, s);
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
280 input_add_to_resource_list(as, s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
281 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
282 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
283
74
e95eaf2f7fe0 Added missing newlines to error messages related to opening files
lost@l-w.ca
parents: 73
diff changeset
284 lw_error("Cannot figure out how to open '%s'.\n", t -> filespec);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
285 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
286
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
287 FILE *input_open_standalone(asmstate_t *as, char *s, char **rfn)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
288 {
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
289 // char *s2;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
290 FILE *fp;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
291 char *p, *p2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
292
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
293 debug_message(as, 2, "Open file (st) %s", s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
294 /* first check for absolute path and if so, skip path */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
295 if (*s == '/')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
296 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
297 /* absolute path */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
298 debug_message(as, 2, "Open file (st abs) %s", s);
186
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
299 if (as -> flags & FLAG_DEPEND)
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
300 printf("%s\n", s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
301 fp = fopen(s, "rb");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
302 if (!fp)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
303 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
304 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
305 }
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
306 if (rfn)
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
307 *rfn = lw_strdup(s);
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
308 input_add_to_resource_list(as, s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
309 return fp;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
310 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
311
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
312 /* relative path, check relative to "current file" directory */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
313 p = lw_stack_top(as -> file_dir);
172
a88b04ba5ab8 Fixed segfault opening relative paths without a current directory on the stack; probably a symptom of another bug somewhere
William Astle <lost@l-w.ca>
parents: 110
diff changeset
314 p2 = make_filename(p ? p : "", s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
315 debug_message(as, 2, "Open file (st cd) %s", p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
316 fp = fopen(p2, "rb");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
317 if (fp)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
318 {
186
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
319 if (as -> flags & FLAG_DEPEND)
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
320 printf("%s\n", p2);
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
321 input_add_to_resource_list(as, p2);
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
322 if (rfn)
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
323 *rfn = lw_strdup(p2);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
324 lw_free(p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
325 return fp;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
326 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
327 lw_free(p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
328
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
329 /* now check relative to entries in the search path */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
330 lw_stringlist_reset(as -> include_list);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
331 while ((p = lw_stringlist_current(as -> include_list)))
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
332 {
10
127e5b1e01c0 Removed use of asprintf() and added Makefile options for cross compiling; also a bugfix with sizeof{} in lwasm
lost@l-w.ca
parents: 2
diff changeset
333 p2 = make_filename(p, s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
334 debug_message(as, 2, "Open file (st ip) %s", p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
335 fp = fopen(p2, "rb");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
336 if (fp)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
337 {
186
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
338 if (as -> flags & FLAG_DEPEND)
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
339 printf("%s\n", p2);
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
340 input_add_to_resource_list(as, p2);
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
341 if (rfn)
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 219
diff changeset
342 *rfn = lw_strdup(p2);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
343 lw_free(p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
344 return fp;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
345 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
346 lw_free(p2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
347 lw_stringlist_next(as -> include_list);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
348 }
186
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
349
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
350 // last ditch output for dependencies
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
351 if (as -> flags & FLAG_DEPEND)
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
352 {
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
353 p = lw_stack_top(as -> file_dir);
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
354 p2 = make_filename(p ? p : "", s);
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
355 printf("%s\n", p2);
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
356 lw_free(p2);
1824cabf25ce Various enhancements to lwasm
lost@l-w.ca
parents: 172
diff changeset
357 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
358
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
359 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
360 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
361
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
362 char *input_readline(asmstate_t *as)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
363 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
364 char *s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
365 char linebuff[2049];
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
366 int lbloc;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
367 int eol = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
368
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
369 /* if no file is open, open one */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
370 nextfile:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
371 if (!IS) {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
372 s = lw_stringlist_current(as -> input_files);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
373 if (!s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
374 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
375 lw_stringlist_next(as -> input_files);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
376 input_open(as, s);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
377 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
378
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
379 switch (IS -> type)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
380 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
381 case input_type_file:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
382 case input_type_include:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
383 /* read from a file */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
384 lbloc = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
385 for (;;)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
386 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
387 int c, c2;
73
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
388 c = EOF;
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
389 if (IS -> data)
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
390 c = fgetc(IS -> data);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
391 if (c == EOF)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
392 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
393 if (lbloc == 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
394 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
395 struct input_stack *t;
110
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
396 struct input_stack_node *n;
73
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
397 if (IS -> data)
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 10
diff changeset
398 fclose(IS -> data);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
399 lw_free(lw_stack_pop(as -> file_dir));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
400 lw_free(IS -> filespec);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
401 t = IS -> next;
110
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
402 while (IS -> stack)
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
403 {
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
404 n = IS -> stack;
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
405 IS -> stack = n -> next;
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
406 lw_free(n -> entry);
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
407 lw_free(n);
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
408 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
409 lw_free(IS);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
410 as -> input_data = t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
411 goto nextfile;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
412 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
413 linebuff[lbloc] = '\0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
414 eol = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
415 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
416 else if (c == '\r')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
417 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
418 linebuff[lbloc] = '\0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
419 eol = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
420 c2 = fgetc(IS -> data);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
421 if (c2 == EOF)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
422 c = EOF;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
423 else if (c2 != '\n')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
424 ungetc(c2, IS -> data);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
425 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
426 else if (c == '\n')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
427 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
428 linebuff[lbloc] = '\0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
429 eol = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
430 c2 = fgetc(IS -> data);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
431 if (c2 == EOF)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
432 c = EOF;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
433 else if (c2 != '\r')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
434 ungetc(c2, IS -> data);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
435 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
436 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
437 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
438 if (lbloc < 2048)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
439 linebuff[lbloc++] = c;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
440 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
441 if (eol)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
442 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
443 s = lw_strdup(linebuff);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
444 return s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
445 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
446 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
447
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
448 case input_type_string:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
449 /* read from a string */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
450 if (((char *)(IS -> data))[IS -> data2] == '\0')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
451 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
452 struct input_stack *t;
110
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
453 struct input_stack_node *n;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
454 lw_free(IS -> data);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
455 lw_free(IS -> filespec);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
456 t = IS -> next;
110
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
457 while (IS -> stack)
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
458 {
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
459 n = IS -> stack;
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
460 IS -> stack = n -> next;
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
461 lw_free(n -> entry);
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
462 lw_free(n);
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
463 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
464 lw_free(IS);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
465 as -> input_data = t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
466 goto nextfile;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
467 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
468 s = (char *)(IS -> data);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
469 lbloc = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
470 for (;;)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
471 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
472 int c;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
473 c = s[IS -> data2];
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
474 if (c)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
475 IS -> data2++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
476 if (c == '\0')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
477 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
478 linebuff[lbloc] = '\0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
479 eol = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
480 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
481 else if (c == '\r')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
482 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
483 linebuff[lbloc] = '\0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
484 eol = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
485 if (s[IS -> data2] == '\n')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
486 IS -> data2++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
487 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
488 else if (c == '\n')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
489 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
490 linebuff[lbloc] = '\0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
491 eol = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
492 if (s[IS -> data2] == '\r')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
493 IS -> data2++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
494 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
495 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
496 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
497 if (lbloc < 2048)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
498 linebuff[lbloc++] = c;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
499 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
500 if (eol)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
501 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
502 s = lw_strdup(linebuff);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
503 return s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
504 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
505 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
506
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
507 default:
74
e95eaf2f7fe0 Added missing newlines to error messages related to opening files
lost@l-w.ca
parents: 73
diff changeset
508 lw_error("Problem reading from unknown input type\n");
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
509 return NULL;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
510 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
511 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
512
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
513 char *input_curspec(asmstate_t *as)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
514 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
515 if (IS)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
516 return IS -> filespec;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
517 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
518 }
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
519
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
520 void input_stack_push(asmstate_t *as, input_stack_entry *e)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
521 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
522 struct input_stack_node *n;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
523
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
524 n = lw_alloc(sizeof(struct input_stack_node));
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
525 n -> next = IS -> stack;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
526 n -> entry = e;
110
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
527 IS -> stack = n;
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
528 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
529
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
530 input_stack_entry *input_stack_pop(asmstate_t *as, int magic, int (*fn)(input_stack_entry *e, void *data), void *data)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
531 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
532 struct input_stack_node *n, *n2;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
533 input_stack_entry *e2;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
534
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
535 n2 = NULL;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
536 for (n = IS -> stack; n; n = n -> next)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
537 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
538 if (n -> entry -> magic == magic)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
539 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
540 if ((*fn)(n -> entry, data))
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
541 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
542 /* we have a match */
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
543 e2 = n -> entry;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
544 if (n2)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
545 n2 -> next = n -> next;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
546 else
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
547 IS -> stack = n -> next;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
548 lw_free(n);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
549 return e2;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
550 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
551 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
552 n2 = n;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
553 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
554 return NULL;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 93
diff changeset
555 }