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Add "basic" output format Add "basic" output format. This outputs the code in the form of a Basic program that installs the assembled output. If an execution address is provided to the END pseudo operation, it will transfer control there using the Basic EXEC command. Thanks to Tim Lindner <tlindner@macmess.org> for the original patch. I used it mostly as is except for a couple of minor fixes for coding style and removing a variable declaration from inside a for() statement for portability reasons.
author William Astle <lost@l-w.ca>
date Thu, 03 Mar 2016 21:04:39 -0700
parents 6153cb49403c
children 58cafa61ab40
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 lwasm.h
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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 #ifndef ___lwasm_h_seen___
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23 #define ___lwasm_h_seen___
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24
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25 #ifdef _MSC_VER
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26 #include <lw_win.h> // windows build
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27 #endif
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28
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29 #include <lw_expr.h>
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30 #include <lw_stringlist.h>
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31 #include <lw_stack.h>
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32 #include <lw_version.h>
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34 // these are allowed chars BELOW 0x80 for symbols
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35 // first is symbol start chars, second is anywhere in symbol
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36 #define SSYMCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_@$"
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37 #define SYMCHARS SSYMCHARS ".?0123456789"
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38
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39 typedef struct asmstate_s asmstate_t;
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41 enum
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42 {
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43 lwasm_expr_linelen = 1, // length of ref'd line
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44 lwasm_expr_lineaddr = 2, // addr of ref'd line
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45 lwasm_expr_nextbp = 3, // next branch point
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46 lwasm_expr_prevbp = 4, // previous branch point
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47 lwasm_expr_syment = 5, // symbol table entry
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48 lwasm_expr_import = 6, // symbol import entry
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49 lwasm_expr_secbase = 7, // section base address
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50 lwasm_expr_linedaddr = 8, // data address of the line
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51 lwasm_expr_linedlen = 9 // data length of the line
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52 };
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53
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54 enum lwasm_output_e
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55 {
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56 OUTPUT_DECB = 0, // DECB multirecord format
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57 OUTPUT_BASIC, // Color BASIC program
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58 OUTPUT_RAW, // raw sequence of bytes
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59 OUTPUT_OBJ, // proprietary object file format
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60 OUTPUT_RAWREL, // raw bytes where ORG causes a SEEK in the file
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61 OUTPUT_OS9, // os9 module target
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62 OUTPUT_SREC, // motorola SREC format
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63 OUTPUT_IHEX, // intel hex format
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64 OUTPUT_HEX // generic hexadecimal format
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65 };
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67 enum lwasm_flags_e
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68 {
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69 FLAG_LIST = 0x0001,
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70 FLAG_DEPEND = 0x0002,
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71 FLAG_SYMBOLS = 0x004,
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72 FLAG_DEPENDNOERR = 0x0008,
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73 FLAG_UNICORNS = 0x0010,
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74 FLAG_MAP = 0x0020,
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75 FLAG_SYMBOLS_NOLOCALS = 0x0040,
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76 FLAG_NONE = 0
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77 };
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78
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79 enum lwasm_pragmas_e
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80 {
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81 PRAGMA_NONE = 0, // no pragmas in effect
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82 PRAGMA_DOLLARNOTLOCAL = 1 << 0, // dollar sign does not make a symbol local
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83 PRAGMA_NOINDEX0TONONE = 1 << 1, // do not change implicit 0,R to ,R
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84 PRAGMA_UNDEFEXTERN = 1 << 2, // undefined symbols are considered to be external
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85 PRAGMA_CESCAPES = 1 << 3, // allow C style escapes in fcc, fcs, fcn, etc.
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86 PRAGMA_IMPORTUNDEFEXPORT = 1 << 4, // imports symbol if undefined upon export
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87 PRAGMA_PCASPCR = 1 << 5, // treats ,PC as ,PCR instead of constant offset
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88 PRAGMA_SHADOW = 1 << 6, // allow macros to shadow builtin operations
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89 PRAGMA_NOLIST = 1 << 7, // don't show line in listing
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90 PRAGMA_AUTOBRANCHLENGTH = 1 << 8, // automatically select proper length for relative branches
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91 PRAGMA_EXPORT = 1 << 9, // export symbols by default, unless local
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92 PRAGMA_SYMBOLNOCASE = 1 << 10, // symbols defined under this pragma are matched case insensitively
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93 PRAGMA_CONDUNDEFZERO = 1 << 11, // treat undefined symbols as zero in conditionals during pass 1
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94 PRAGMA_6800COMPAT = 1 << 12, // enable 6800 compatibility opcodes
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95 PRAGMA_FORWARDREFMAX = 1 << 13, // force incomplete references on pass 1 to maximum mode
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96 PRAGMA_6809 = 1 << 14, // 6809/6309 assembly mode
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97 PRAGMA_TESTMODE = 1 << 15, // enable test mode (for internal unit testing)
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98 PRAGMA_C = 1 << 16, // enable cycle counts
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99 PRAGMA_CD = 1 << 17, // enable detailed cycle count
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100 PRAGMA_CT = 1 << 18, // enable cycle count running total
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101 PRAGMA_CC = 1 << 19, // clear cycle count running total
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102 PRAGMA_QRTS = 1 << 20, // enable BRA ?RTS support
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103 PRAGMA_M80EXT = 1 << 21, // enable Macro-80C assembler extensions
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104 PRAGMA_6809CONV = 1 << 22, // enable 6809 convenience ops
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105 PRAGMA_6309CONV = 1 << 23, // enable 6309 convenience ops
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106 PRAGMA_NEWSOURCE = 1 << 24, // don't use compatibility source format
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107 PRAGMA_CLEARBIT = 1 << 31 // reserved to indicate negated pragma flag status
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108 };
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109
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110 enum
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111 {
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112 section_flag_bss = 1, // BSS section
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113 section_flag_constant = 2, // constants - no base offset
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114 section_flag_none = 0 // no flags
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115 };
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116
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117 typedef struct reloctab_s reloctab_t;
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118 struct reloctab_s
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119 {
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120 lw_expr_t offset; // offset of relocation
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121 int size; // size of relocation
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122 lw_expr_t expr; // relocation expression
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123 reloctab_t *next;
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124 };
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125
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126 typedef struct sectiontab_s sectiontab_t;
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127 struct sectiontab_s
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128 {
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129 char *name; // section name
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130 int flags; // section flags;
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131 lw_expr_t offset; // offset for next instance
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132 int oblen; // size of section output
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133 int obsize; // size of output buffer
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134 unsigned char *obytes; // output buffer
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135 reloctab_t *reloctab; // table of relocations
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136 sectiontab_t *next;
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137 };
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138
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139 typedef enum
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140 {
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141 TF_EMIT = 1,
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142 TF_ERROR = 2
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143 } lwasm_testflags_t;
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144
370
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145 typedef enum
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146 {
375
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147 E_6309_INVALID = 1,
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148 E_6809_INVALID = 2,
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149 E_ALIGNMENT_INVALID = 3,
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150 E_BITNUMBER_UNRESOLVED = 4,
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151 E_BITNUMBER_INVALID = 5,
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152 E_BYTE_OVERFLOW = 6,
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153 E_CONDITION_P1 = 7,
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154 E_DIRECTIVE_OS9_ONLY = 8,
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155 E_DIV0 = 9,
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156 E_EXEC_ADDRESS = 10,
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157 E_FILL_INVALID = 11,
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158 E_IMMEDIATE_INVALID = 12,
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159 E_IMMEDIATE_UNRESOLVED = 13,
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160 E_EXPRESSION_BAD = 14,
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161 E_EXPRESSION_NOT_CONST = 15,
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162 E_EXPRESSION_NOT_RESOLVED = 16,
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163 E_FILE_OPEN = 17,
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164 E_FILENAME_MISSING = 18,
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165 E_INSTRUCTION_FAILED = 19,
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166 E_INSTRUCTION_SECTION = 20,
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167 E_LINE_ADDRESS = 21,
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168 E_LINED_ADDRESS = 22,
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169 E_MACRO_DUPE = 23,
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170 E_MACRO_ENDM = 24,
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171 E_MACRO_NONAME = 25,
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172 E_MACRO_RECURSE = 26,
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173 E_MODULE_IN = 27,
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174 E_MODULE_NOTIN = 28,
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175 E_NEGATIVE_BLOCKSIZE = 29,
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176 E_NEGATIVE_RESERVATION = 30,
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177 E_NW_8 = 31,
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178 E_OPCODE_BAD = 32,
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179 E_OPERAND_BAD = 33,
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180 E_OBJTARGET_ONLY = 34,
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181 E_PADDING_BAD = 35,
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182 E_PRAGMA_UNRECOGNIZED = 36,
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183 E_REGISTER_BAD = 37,
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184 E_SECTION_END = 38,
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185 E_SECTION_EXTDEP = 39,
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186 E_SECTION_FLAG = 40,
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187 E_SECTION_NAME = 41,
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188 E_SECTION_TARGET = 42,
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189 E_SETDP_INVALID = 43,
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190 E_SETDP_NOT_CONST = 44,
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191 E_STRING_BAD = 45,
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192 E_STRUCT_DUPE = 46,
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193 E_STRUCT_NONAME = 47,
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194 E_STRUCT_NOSYMBOL = 48,
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195 E_STRUCT_RECURSE = 49,
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196 E_SYMBOL_BAD = 50,
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197 E_SYMBOL_DUPE = 51,
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198 E_SYMBOL_MISSING = 52,
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199 E_SYMBOL_UNDEFINED = 53,
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200 E_SYMBOL_UNDEFINED_EXPORT = 54,
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201 E_UNKNOWN_OPERATION = 55,
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202 E_USER_SPECIFIED = 56,
382
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203 E_ORG_NOT_FOUND = 57,
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204
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205 /* warnings must be 1000 or greater */
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206
375
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207 W_DUPLICATE_SECTION = 1000,
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208 W_ENDSTRUCT_WITHOUT = 1001,
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209 W_NOT_SUPPORTED = 1002,
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210 W_USER_SPECIFIED = 1003
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211 } lwasm_errorcode_t;
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212
0
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213 typedef struct lwasm_error_s lwasm_error_t;
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214 struct lwasm_error_s
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215 {
370
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216 lwasm_errorcode_t code; // error code
0
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217 char *mess; // actual error message
226
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218 int charpos; // character position on line where parsing stopped
0
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219 lwasm_error_t *next; // ptr to next error
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220 };
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221
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222 struct line_expr_s
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223 {
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224 lw_expr_t expr;
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225 int id;
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226 struct line_expr_s *next;
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227 };
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228
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229 typedef struct line_s line_t;
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230
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231 typedef struct exportlist_s exportlist_t;
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232 struct exportlist_s
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233 {
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234 char *symbol; // symbol to export
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235 struct symtabe *se; // symbol table entry
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236 line_t *line; // line the export is on
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237 exportlist_t *next; // next in the export list
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238 };
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239
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240 typedef struct importlist_s importlist_t;
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241 struct importlist_s
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242 {
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243 char *symbol; // symbol to import
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244 importlist_t *next; // next in the import list
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245 };
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246
376
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247 typedef enum
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248 {
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249 CYCLE_ADJ = 1,
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250 CYCLE_ESTIMATED = 2
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251 } cycle_flags;
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252
0
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253 struct line_s
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254 {
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255 lw_expr_t addr; // assembly address of the line
142
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256 lw_expr_t daddr; // data address of the line (os9 only)
0
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257 int len; // the "size" this line occupies (address space wise) (-1 if unknown)
142
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258 int dlen; // the data "size" this line occupies (-1 if unknown)
241
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259 int minlen; // minimum length
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260 int maxlen; // maximum length
0
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261 int insn; // number of insn in insn table
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262 int symset; // set if the line symbol was consumed by the instruction
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263 char *sym; // symbol, if any, on the line
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264 unsigned char *output; // output bytes
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265 int outputl; // size of output
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266 int outputbl; // size of output buffer
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267 int dpval; // direct page value
376
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268 int cycle_base; // base instruction cycle count
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269 int cycle_adj; // cycle adjustment
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270 int cycle_flags; // cycle flags
380
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271 int genmode; // generation mode (insn_parse_gen0/8/16)
381
e3f4aaa2a4e8 Allow FCB-like syntax after constant in FCC under m80ext
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272 int fcc_extras; // fcc extra bytes
0
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273 lwasm_error_t *err; // list of errors
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274 lwasm_error_t *warn; // list of errors
375
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275 lwasm_errorcode_t err_testmode; // error code in testmode
0
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276 line_t *prev; // previous line
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diff changeset
277 line_t *next; // next line
2c24602be78f 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 int inmod; // inside a module?
2c24602be78f 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 sectiontab_t *csect; // which section are we in?
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
280 struct line_expr_s *exprs; // expressions used during parsing
2c24602be78f 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 char *lstr; // string passed forward
2c24602be78f 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 int pb; // pass forward post byte
2c24602be78f 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 int lint; // pass forward integer
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
284 int lint2; // another pass forward integer
377
67373a053c49 Add ?rts target for branch instructions
William Astle <lost@l-w.ca>
parents: 376
diff changeset
285 int conditional_return; // for ?RTS handling (1 if RTS follows)
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
286 asmstate_t *as; // assembler state data ptr
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
287 int pragmas; // pragmas in effect for the line
2c24602be78f 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 int context; // the symbol context number
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
289 char *ltext; // line number
2c24602be78f 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 char *linespec; // line spec
2c24602be78f 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 int lineno; // line number
2c24602be78f 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 int soff; // struct offset (for listings)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
293 int dshow; // data value to show (for listings)
2c24602be78f 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 int dsize; // set to 1 for 8 bit dshow value
2c24602be78f 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 int isbrpt; // set to 1 if this line is a branch point
2c24602be78f 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 struct symtabe *dptr; // symbol value to display
49
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
297
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
298 int noexpand_start; // start of a no-expand block
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
299 int noexpand_end; // end of a no-expand block
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 211
diff changeset
300 int hideline; // set if we're going to hide this line on output
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 };
2c24602be78f 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
2c24602be78f 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 enum
2c24602be78f 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 {
2c24602be78f 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 symbol_flag_set = 1, // symbol was used with "set"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
306 symbol_flag_nocheck = 2, // do not check symbol characters
81
428068681cbf Added nolist pragma to suppress listing output of non-code generating lines
Lost Wizard (lost@starbug3)
parents: 73
diff changeset
307 symbol_flag_nolist = 4, // no not show symbol in symbol table
207
07e1fac76321 Added pragma to allow non case sensitive symbols
William Astle <lost@l-w.ca>
parents: 206
diff changeset
308 symbol_flag_nocase = 8, // do not match case of symbol
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 symbol_flag_none = 0 // no flags
2c24602be78f 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 struct symtabe
2c24602be78f 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 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
314 char *symbol; // the name of the symbol
2c24602be78f 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 int context; // symbol context (-1 for global)
2c24602be78f 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 int version; // version of the symbol (for "set")
2c24602be78f 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 int flags; // flags for the symbol
2c24602be78f 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 sectiontab_t *section; // section the symbol is defined in
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
319 lw_expr_t value; // symbol value
195
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
320 struct symtabe *left; // left subtree pointer
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
321 struct symtabe *right; // right subtree pointer
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
322 struct symtabe *nextver; // next lower version
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
323 };
2c24602be78f 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
2c24602be78f 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 typedef struct
2c24602be78f 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 struct symtabe *head; // start of symbol table
2c24602be78f 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 } symtab_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
329
2c24602be78f 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 typedef struct macrotab_s macrotab_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
331 struct macrotab_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
332 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
333 char *name; // name of macro
2c24602be78f 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 char **lines; // macro lines
2c24602be78f 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 int numlines; // number lines in macro
49
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
336 int flags; // flags for the macro
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
337 macrotab_t *next; // next macro in list
222
03f7192fcd20 Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents: 219
diff changeset
338 line_t *definedat; // the line where the macro definition starts
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
339 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
340
49
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
341 enum
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
342 {
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
343 macro_noexpand = 1 // set to not expland the macro by default in listing
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
344 };
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
345
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
346 typedef struct structtab_s structtab_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
347 typedef struct structtab_field_s structtab_field_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
348
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
349 struct structtab_field_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
350 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
351 char *name; // structure field name - NULL for anonymous
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
352 int size; // structure field size
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
353 structtab_t *substruct; // sub structure if there is 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
354 structtab_field_t *next; // next field entry
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
355 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
356
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
357 struct structtab_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
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 char *name; // name of structure
2c24602be78f 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 int size; // number of bytes taken by struct
2c24602be78f 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 structtab_field_t *fields; // fields in the structure
2c24602be78f 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 structtab_t *next; // next structure
223
211fc8038b8d More unicorn stuff - structs and macros
William Astle <lost@l-w.ca>
parents: 222
diff changeset
363 line_t *definedat; // line where structure is defined
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
364 };
2c24602be78f 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
2c24602be78f 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 struct asmstate_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
367 {
2c24602be78f 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 int output_format; // output format
2c24602be78f 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 int debug_level; // level of debugging requested
2c24602be78f 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 FILE *debug_file; // FILE * to output debug messages to
2c24602be78f 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 int flags; // assembly flags
2c24602be78f 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 int pragmas; // pragmas currently in effect
2c24602be78f 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 int errorcount; // number of errors encountered
209
52d9dd71f555 Make warning actually work.
William Astle <lost@l-w.ca>
parents: 207
diff changeset
374 int warningcount; // number of warnings issued
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
375 int testmode_errorcount; // number of errors in testmode
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
376 int inmacro; // are we in a macro?
2c24602be78f 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 int instruct; // are w in a structure?
2c24602be78f 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 int skipcond; // skipping a condition?
2c24602be78f 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 int skipcount; // depth of "skipping"
2c24602be78f 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 int skipmacro; // are we skipping in a macro?
2c24602be78f 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 int endseen; // have we seen an "end" pseudo?
2c24602be78f 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 int execaddr; // address from "end"
2c24602be78f 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 int inmod; // inside an os9 module?
210
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
384 int undefzero; // used for handling "condundefzero"
211
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
385 int pretendmax; // set if we need to pretend the instruction is max length
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
386 unsigned char crc[3]; // crc accumulator
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
387 int cycle_total; // cycle count accumulator
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
388 int badsymerr; // throw error on undef sym if set
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
389
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
390 line_t *line_head; // start of lines 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
391 line_t *line_tail; // tail of lines 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
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 line_t *cl; // current line pointer
2c24602be78f 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 sectiontab_t *csect; // current section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
396
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
397 int context; // the current "context"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
398 int nextcontext; // the next available context
2c24602be78f 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
2c24602be78f 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 symtab_t symtab; // meta data for the symbol table
2c24602be78f 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 macrotab_t *macros; // macro table
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
402 sectiontab_t *sections; // section table
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
403 exportlist_t *exportlist; // list of exported symbols
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
404 importlist_t *importlist; // list of imported symbols
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
405 char *list_file; // name of file to list to
390
1ebb5a0b2874 Add option to specify tab width in listing
William Astle <lost@l-w.ca>
parents: 386
diff changeset
406 int tabwidth; // tab width in list file
365
3f8abaac214c Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents: 361
diff changeset
407 char *map_file; // name of map file
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
408 char *output_file; // output file name
2c24602be78f 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_stringlist_t input_files; // files to assemble
2c24602be78f 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 void *input_data; // opaque data used by the input system
2c24602be78f 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 lw_stringlist_t include_list; // include paths
2c24602be78f 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 lw_stack_t file_dir; // stack of the "current file" dir
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413 lw_stack_t includelist;
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414
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415 structtab_t *structs; // defined structures
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416 structtab_t *cstruct; // current structure
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ccaecdff3fc2 Make structure definitions not affect current assembly address and fix up cosmetic offset display in listings
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417 lw_expr_t savedaddr; // old address counter before struct started
0
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418 int exportcheck; // set if we need to collapse out the section base to 0
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ceab04fd2969 Fixed premature installation of external reference under UNDEFEXTERN pragma; should not resolve to external references until after the initial parsing pass
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419 int passno; // set to the current pass number
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afd50d6b4113 Add --preprocess option
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420 int preprocess; // set if we are prepocessing
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421 int fileerr; // flags error opening file
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433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
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422 int exprwidth; // the bit width of the expression being evaluated
0
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423 };
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424
374
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425 struct symtabe *register_symbol(asmstate_t *as, line_t *cl, char *sym, lw_expr_t value, int flags);
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426 struct symtabe *lookup_symbol(asmstate_t *as, line_t *cl, char *sym);
0
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427
384
6ee9c67a0f8d Add conditional for testing if a pragma is in effect
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428 int parse_pragma_helper(char *p);
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429
376
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430 int lwasm_cycle_calc_ind(line_t *cl);
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431 int lwasm_cycle_calc_rlist(line_t *cl);
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432 void lwasm_cycle_update_count(line_t *cl, int opc);
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433
375
71f507f404f1 Add "testmode" pragma
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434 void lwasm_parse_testmode_comment(line_t *cl, lwasm_testflags_t *flags, lwasm_errorcode_t *err, int *len, char **buf);
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435 void lwasm_error_testmode(line_t *cl, const char* msg, int fatal);
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436
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
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437 void lwasm_register_error(asmstate_t *as, line_t *cl, lwasm_errorcode_t err);
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438 void lwasm_register_error2(asmstate_t *as, line_t *cl, lwasm_errorcode_t err, const char* fmt, ...);
0
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439
374
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440 int lwasm_next_context(asmstate_t *as);
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441 void lwasm_emit(line_t *cl, int byte);
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442 void lwasm_emitop(line_t *cl, int opc);
0
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443
374
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444 void lwasm_save_expr(line_t *cl, int id, lw_expr_t expr);
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445 lw_expr_t lwasm_fetch_expr(line_t *cl, int id);
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446 lw_expr_t lwasm_parse_expr(asmstate_t *as, char **p);
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447 int lwasm_emitexpr(line_t *cl, lw_expr_t expr, int s);
0
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448
399
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449 void skip_operand_real(line_t *l, char **p);
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450 /* this macro can only be used where "l" is the current line pointer */
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451 #define skip_operand(p) skip_operand_real(l, p)
0
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452
374
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diff changeset
453 int lwasm_lookupreg2(const char *rlist, char **p);
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454 int lwasm_lookupreg3(const char *rlist, char **p);
0
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455
374
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diff changeset
456 void lwasm_show_errors(asmstate_t *as);
0
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diff changeset
457
374
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458 int lwasm_reduce_expr(asmstate_t *as, lw_expr_t expr);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
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diff changeset
459
374
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diff changeset
460 lw_expr_t lwasm_parse_cond(asmstate_t *as, char **p);
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
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parents: 226
diff changeset
461
374
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diff changeset
462 int lwasm_calculate_range(asmstate_t *as, lw_expr_t expr, int *min, int *max);
336
30b2bad9b5eb Factor some code for simplifying lines so it can be reused
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diff changeset
463
374
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diff changeset
464 void lwasm_reduce_line_exprs(line_t *cl);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
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parents: 0
diff changeset
465
338
5d401d1eb3e9 Allow disabling debugging messages.
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diff changeset
466 #ifdef LWASM_NODEBUG
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diff changeset
467 #define debug_message(...)
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diff changeset
468 #define dump_state(...)
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diff changeset
469 #else
374
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470 void real_debug_message(asmstate_t *as, int level, const char *fmt, ...);
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471 void dump_state(asmstate_t *as);
0
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472
338
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473 #define debug_message(as,level,...) do { asmstate_t *ras = (as); int rlevel = (level); if (ras->debug_level >= rlevel) { real_debug_message(ras, rlevel, __VA_ARGS__); } } while (0)
5d401d1eb3e9 Allow disabling debugging messages.
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diff changeset
474 #endif
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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475
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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476 #define OPLEN(op) (((op)>0xFF)?2:1)
101
ed7f970f3688 Added --define= option to predfine a symbol for assembly
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diff changeset
477 #define CURPRAGMA(l,p) (((l) && ((l)->pragmas & (p))) ? 1 : 0)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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478
399
6153cb49403c Initial commit of pragma newsource
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diff changeset
479 /* some functions for parsing */
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diff changeset
480 /* skip to the start of the next token if the current parsing mode allows it */
6153cb49403c Initial commit of pragma newsource
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diff changeset
481 void lwasm_skip_to_next_token(line_t *cl, char **p);
6153cb49403c Initial commit of pragma newsource
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diff changeset
482
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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483 #endif /* ___lwasm_h_seen___ */