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annotate config.c @ 1707:a16088324f30

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Less broken flag calulcation for sub instructions in CPU DSL
author Michael Pavone <pavone@retrodev.com>
date Mon, 28 Jan 2019 21:30:23 -0800
parents ba3fb7a3be6b
children eda8df5bc74c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 Copyright 2013 Michael Pavone
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3 This file is part of BlastEm.
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
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5 */
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6 #include "tern.h"
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7 #include "util.h"
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8 #include "paths.h"
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9 #include <stdio.h>
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10 #include <stdlib.h>
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11 #include <string.h>
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12
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13 #ifdef __MINGW64_VERSION_MAJOR
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14 #define MINGW_W64_VERSION (__MINGW64_VERSION_MAJOR * 1000 + __MINGW64_VERSION_MINOR)
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15 #else
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16 #define MINGW_W64_VERSION 0
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17 #endif
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19 #if defined(_WIN32) && (MINGW_W64_VERSION < 3003)
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20 char * strtok_r(char * input, char * sep, char ** state)
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21 {
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22 if (input) {
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23 *state = input;
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24 }
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25 char * ret = *state;
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26 while (**state && **state != *sep)
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27 {
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28 ++*state;
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29 }
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30 if (**state)
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31 {
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32 **state = 0;
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33 ++*state;
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34 return ret;
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35 }
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36 return NULL;
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37 }
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38 #endif
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39
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40 static tern_node * parse_config_int(char **state, int started, int *line)
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41 {
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42 char *config_data, *curline;
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43 tern_node * head = NULL;
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44 config_data = started ? NULL : *state;
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45 while ((curline = strtok_r(config_data, "\n", state)))
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46 {
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47
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48 config_data = NULL;
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49 curline = strip_ws(curline);
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50 int len = strlen(curline);
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51 if (!len) {
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52 *line = *line + 1;
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53 continue;
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54 }
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55 if (curline[0] == '#') {
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56 *line = *line + 1;
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57 continue;
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58 }
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59 if (curline[0] == '}') {
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60 if (started) {
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61 return head;
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62 }
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63 fatal_error("unexpected } on line %d\n", *line);
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64 }
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65
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66 char * end = curline + len - 1;
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67 if (*end == '{') {
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68 *end = 0;
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69 curline = strip_ws(curline);
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70 *line = *line + 1;
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71 head = tern_insert_node(head, curline, parse_config_int(state, 1, line));
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72 } else {
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73 char * val = strip_ws(split_keyval(curline));
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74 char * key = curline;
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75 if (*val) {
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76 head = tern_insert_ptr(head, key, strdup(val));
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77 } else {
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78 fprintf(stderr, "Key %s is missing a value on line %d\n", key, *line);
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79 }
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80 *line = *line + 1;
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81 }
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82 }
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83 return head;
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84 }
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85
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86 tern_node *parse_config(char * config_data)
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87 {
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88 int line = 1;
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89 return parse_config_int(&config_data, 0, &line);
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90 }
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91
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92 typedef struct {
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93 char *buf;
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94 uint32_t capacity;
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95 uint32_t size;
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96 uint32_t indent;
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97 } serialize_state;
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98
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99 static void ensure_buf_capacity(uint32_t ensure, serialize_state *state)
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100 {
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101 if (ensure + state->size > state->capacity) {
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102 state->capacity = state->capacity * 2;
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103 state->buf = realloc(state->buf, state->capacity);
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104 }
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105 }
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106
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107 static void indent(serialize_state *state)
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108 {
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109 memset(state->buf + state->size, '\t', state->indent);
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110 state->size += state->indent;
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111 }
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112
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113 static void serialize_config_int(tern_node *config, serialize_state *state);
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114
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115 static void serialize_iter(char *key, tern_val val, uint8_t valtype, void *data)
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116 {
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117 serialize_state *state = data;
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118 uint32_t keylen = strlen(key);
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119 uint32_t vallen = 0;
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120 if (valtype == TVAL_PTR) {
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121 vallen = strlen(val.ptrval);
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122 }
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123 ensure_buf_capacity(state->indent + keylen + 2 + vallen, state);
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124 state->buf[state->size++] = '\n';
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125 indent(state);
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126 memcpy(state->buf + state->size, key, keylen);
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127 state->size += keylen;
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128 state->buf[state->size++] = ' ';
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129 if (valtype == TVAL_PTR) {
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130 memcpy(state->buf + state->size, val.ptrval, vallen);
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131 state->size += vallen;
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132 } else {
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133 serialize_config_int(val.ptrval, state);
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134 }
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135 }
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136
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137 static void serialize_config_int(tern_node *config, serialize_state *state)
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138 {
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139 ensure_buf_capacity(1, state);
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diff changeset
140 state->buf[state->size++] = '{';
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
141 state->indent++;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
142
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
143 tern_foreach(config, serialize_iter, state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
144
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
145 --state->indent;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
146 ensure_buf_capacity(2 + state->indent, state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
147 state->buf[state->size++] = '\n';
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
148 indent(state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
149 state->buf[state->size++] = '}';
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
150 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
151
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
152 char *serialize_config(tern_node *config, uint32_t *size_out)
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
153 {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
154 serialize_state state = {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
155 .size = 0,
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
156 .capacity = 1024,
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
157 .indent = 0
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
158 };
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
159 state.buf = malloc(state.capacity);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
160 tern_foreach(config, serialize_iter, &state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
161 //serialize_config_int(config, &state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
162 *size_out = state.size;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
163 return state.buf;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
164 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
165
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
166 tern_node *parse_config_file(char *config_path)
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
167 {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
168 tern_node * ret = NULL;
816
7ed55a361e79 Use binary mode for reading shaders and config files so we actually get the number of bytes we expect
Michael Pavone <pavone@retrodev.com>
parents: 799
diff changeset
169 FILE * config_file = fopen(config_path, "rb");
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
170 if (!config_file) {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
171 goto open_fail;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
172 }
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
173 long config_size = file_size(config_file);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
174 if (!config_size) {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 goto config_empty;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
176 }
796
41f73c76b978 Fix some memory issues
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 795
diff changeset
177 char * config_data = malloc(config_size+1);
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
178 if (fread(config_data, 1, config_size, config_file) != config_size) {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
179 goto config_read_fail;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
180 }
796
41f73c76b978 Fix some memory issues
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 795
diff changeset
181 config_data[config_size] = '\0';
41f73c76b978 Fix some memory issues
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 795
diff changeset
182
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
183 ret = parse_config(config_data);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
184 config_read_fail:
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
185 free(config_data);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
186 config_empty:
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
187 fclose(config_file);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
188 open_fail:
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
189 return ret;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 }
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191
1489
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
192 uint8_t serialize_config_file(tern_node *config, char *path)
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
193 {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
194 FILE *f = fopen(path, "w");
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
195 if (!f) {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
196 return 0;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
197 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
198 uint32_t buf_size;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
199 char *buffer = serialize_config(config, &buf_size);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
200 uint8_t ret = buf_size == fwrite(buffer, 1, buf_size, f);
1593
24508cb54f87 Fix a number of other memory errors (mostly leaks again) identified by valgrind
Michael Pavone <pavone@retrodev.com>
parents: 1555
diff changeset
201 free(buffer);
1489
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
202 fclose(f);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
203 return ret;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
204 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
205
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
206 tern_node *parse_bundled_config(char *config_name)
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
207 {
1693
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
208 tern_node *ret = NULL;
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
209 #ifdef CONFIG_PATH
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
210 if (!strcmp("default.cfg", config_name) || !strcmp("blastem.cfg", config_name)) {
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
211 char *confpath = path_append(CONFIG_PATH, config_name);
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
212 ret = parse_config_file(confpath);
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
213 free(confpath);
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
214 } else {
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
215 #endif
1140
4490c9c12272 Detect system type from filename if header based methods fail. Allow overriding system type from command line.
Michael Pavone <pavone@retrodev.com>
parents: 876
diff changeset
216 uint32_t confsize;
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
217 char *confdata = read_bundled_file(config_name, &confsize);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
218 if (confdata) {
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
219 confdata[confsize] = 0;
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
220 ret = parse_config(confdata);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
221 free(confdata);
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
222 }
1693
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
223 #ifdef CONFIG_PATH
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
224 }
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
225 #endif
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
226 return ret;
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
227 }
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
228
1599
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
229 tern_node *load_overrideable_config(char *name, char *bundled_name)
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
230 {
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
231 char const *confdir = get_config_dir();
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
232 char *confpath = NULL;
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
233 tern_node *ret;
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
234 if (confdir) {
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
235 confpath = path_append(confdir, name);
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
236 ret = parse_config_file(confpath);
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
237 if (ret) {
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
238 free(confpath);
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
239 return ret;
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
240 }
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
241 }
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
242
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
243 ret = parse_bundled_config(bundled_name);
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
244 if (ret) {
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
245 free(confpath);
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
246 return ret;
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
247 }
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
248 return NULL;
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
249 }
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
250
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
251 tern_node *load_config()
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
252 {
876
540cc4a7d626 Fix Android build breakage
Michael Pavone <pavone@retrodev.com>
parents: 875
diff changeset
253 char const *confdir = get_config_dir();
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
254 char *confpath = NULL;
1599
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
255 tern_node *ret = load_overrideable_config("blastem.cfg", "default.cfg");
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
256 if (confdir) {
1489
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
257 confpath = path_append(confdir, "blastem.cfg");
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
258 ret = parse_config_file(confpath);
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
259 if (ret) {
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
260 free(confpath);
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
261 return ret;
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
262 }
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
263 }
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
264
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
265 ret = parse_bundled_config("default.cfg");
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
266 if (ret) {
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
267 free(confpath);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
268 return ret;
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
269 }
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 859
diff changeset
270
1599
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
271 if (get_config_dir()) {
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
272 fatal_error("Failed to find a config file at %s or in the blastem executable directory\n", get_config_dir());
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
273 } else {
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
274 fatal_error("Failed to find a config file in the BlastEm executable directory and the config directory path could not be determined\n");
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
275 }
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
276 //this will never get reached, but the compiler doesn't know that. Let's make it happy
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
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277 return NULL;
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278 }
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279
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280 void persist_config_at(tern_node *config, char *fname)
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281 {
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282 char const *confdir = get_config_dir();
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283 if (!confdir) {
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284 fatal_error("Failed to locate config file directory\n");
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285 }
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286 ensure_dir_exists(confdir);
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287 char *confpath = path_append(confdir, fname);
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288 if (!serialize_config_file(config, confpath)) {
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289 fatal_error("Failed to write config to %s\n", confpath);
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290 }
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291 free(confpath);
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292 }
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293
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294 void persist_config(tern_node *config)
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295 {
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296 persist_config_at(config, "blastem.cfg");
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297 }
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298
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299 char **get_extension_list(tern_node *config, uint32_t *num_exts_out)
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300 {
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301 char *ext_filter = strdup(tern_find_path_default(config, "ui\0extensions\0", (tern_val){.ptrval = "bin gen md smd sms gg"}, TVAL_PTR).ptrval);
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302 uint32_t num_exts = 0, ext_storage = 5;
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303 char **ext_list = malloc(sizeof(char *) * ext_storage);
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304 char *cur_filter = ext_filter;
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305 while (*cur_filter)
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306 {
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307 if (num_exts == ext_storage) {
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308 ext_storage *= 2;
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309 ext_list = realloc(ext_list, sizeof(char *) * ext_storage);
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310 }
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311 ext_list[num_exts++] = cur_filter;
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312 cur_filter = split_keyval(cur_filter);
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313 }
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314 *num_exts_out = num_exts;
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315 return ext_list;
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316 }
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317
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318 #define DEFAULT_LOWPASS_CUTOFF 3390
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319 uint32_t get_lowpass_cutoff(tern_node *config)
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320 {
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321 char * lowpass_cutoff_str = tern_find_path(config, "audio\0lowpass_cutoff\0", TVAL_PTR).ptrval;
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322 return lowpass_cutoff_str ? atoi(lowpass_cutoff_str) : DEFAULT_LOWPASS_CUTOFF;
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323 }