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7597 | akron1 | 1 | (* |
2 | BSD 2-Clause License |
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3 | |||
4 | Copyright (c) 2018, 2019, Anton Krotov |
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5 | All rights reserved. |
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6 | *) |
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7 | |||
8 | MODULE PROG; |
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9 | |||
7693 | akron1 | 10 | IMPORT SCAN, LISTS, ARITH, ERRORS, C := COLLECTIONS, mConst := CONSTANTS, IL, UTILS; |
7597 | akron1 | 11 | |
12 | |||
13 | CONST |
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14 | |||
15 | MAXARRDIM* = 5; |
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16 | MAXSCOPE = 16; |
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17 | MAXSYSVPARAM* = 26; |
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18 | |||
19 | idNONE* = 0; idGUARD = 1; idMODULE* = 2; idCONST* = 3; |
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20 | idTYPE* = 4; idSTFUNC* = 5; idSTPROC* = 6; idVAR* = 7; |
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21 | idPROC* = 8; idVPAR* = 9; idPARAM* = 10; idSYSFUNC* = 11; |
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22 | idSYSPROC* = 12; idIMP* = 13; |
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23 | |||
24 | tINTEGER* = 1; tBYTE* = 2; tCHAR* = 3; tSET* = 4; |
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25 | tBOOLEAN* = 5; tREAL* = 6; tARRAY* = 7; tRECORD* = 8; |
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26 | tPOINTER* = 9; tPROCEDURE* = 10; tSTRING* = 11; tNIL* = 12; |
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27 | tCARD16* = 13; tCARD32* = 14; tANYREC* = 15; tWCHAR* = 16; |
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28 | |||
29 | BASICTYPES* = {tINTEGER, tBYTE, tCHAR, tSET, tBOOLEAN, tREAL, tCARD16, tCARD32, tWCHAR}; |
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30 | |||
31 | stABS* = 1; stASR* = 2; stCHR* = 3; stFLOOR* = 4; |
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32 | stFLT* = 5; stLEN* = 6; stLSL* = 7; stODD* = 8; |
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33 | stORD* = 9; stROR* = 10; stASSERT* = 11; stDEC* = 12; |
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34 | stEXCL* = 13; stINC* = 14; stINCL* = 15; stNEW* = 16; |
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35 | stPACK* = 17; stUNPK* = 18; sysADR* = 19; sysSIZE* = 20; |
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36 | sysGET* = 21; sysPUT* = 22; |
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37 | |||
38 | stDISPOSE* = 23; stLSR* = 24; stBITS* = 25; sysCODE* = 26; |
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39 | sysMOVE* = 27; stLENGTH* = 28; stMIN* = 29; stMAX* = 30; |
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40 | sysSADR* = 31; sysTYPEID* = 32; sysCOPY* = 33; sysINF* = 34; |
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41 | sysPUT8* = 35; sysPUT16* = 36; stCOPY* = 37; stWCHR* = 38; |
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7693 | akron1 | 42 | sysWSADR* = 39; sysPUT32* = 40; (*sysNOP* = 41; sysEINT* = 42; |
43 | sysDINT* = 43;*) |
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7597 | akron1 | 44 | |
7693 | akron1 | 45 | default32* = 2; |
7597 | akron1 | 46 | stdcall* = 4; _stdcall* = stdcall + 1; |
47 | ccall* = 6; _ccall* = ccall + 1; |
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48 | ccall16* = 8; _ccall16* = ccall16 + 1; |
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49 | win64* = 10; _win64* = win64 + 1; |
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50 | stdcall64* = 12; _stdcall64* = stdcall64 + 1; |
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51 | default64* = 14; |
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52 | systemv* = 16; _systemv* = systemv + 1; |
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7693 | akron1 | 53 | default16* = 18; |
54 | code* = 20; _code* = code + 1; |
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7597 | akron1 | 55 | |
7693 | akron1 | 56 | noalign* = 22; |
7597 | akron1 | 57 | |
7693 | akron1 | 58 | callee_clean_up* = {default32, stdcall, _stdcall, default64, stdcall64, _stdcall64}; |
7597 | akron1 | 59 | |
7693 | akron1 | 60 | sf_stdcall* = 0; sf_stdcall64* = 1; sf_ccall* = 2; sf_ccall16* = 3; |
61 | sf_win64* = 4; sf_systemv* = 5; sf_windows* = 6; sf_linux* = 7; |
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62 | sf_code* = 8; |
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63 | sf_noalign* = 9; |
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64 | |||
65 | proc_flags* = {sf_stdcall, sf_stdcall64, sf_ccall, sf_ccall16, sf_win64, sf_systemv, sf_windows, sf_linux, sf_code}; |
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66 | rec_flags* = {sf_noalign}; |
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67 | |||
7597 | akron1 | 68 | STACK_FRAME = 2; |
69 | |||
70 | |||
71 | TYPE |
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72 | |||
7693 | akron1 | 73 | OPTIONS* = RECORD |
74 | |||
75 | version*, stack*, base*, ram*, rom*: INTEGER; |
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76 | pic*: BOOLEAN; |
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77 | checking*: SET |
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78 | |||
79 | END; |
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80 | |||
7597 | akron1 | 81 | IDENT* = POINTER TO rIDENT; |
82 | |||
83 | UNIT* = POINTER TO rUNIT; |
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84 | |||
85 | PROGRAM* = POINTER TO rPROGRAM; |
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86 | |||
87 | TYPE_* = POINTER TO rTYPE_; |
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88 | |||
89 | FRWPTR* = POINTER TO RECORD (LISTS.ITEM) |
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90 | |||
91 | type: TYPE_; |
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92 | baseIdent: SCAN.IDENT; |
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93 | linked: BOOLEAN; |
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94 | |||
95 | pos*: SCAN.POSITION; |
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96 | notRecord*: BOOLEAN |
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97 | |||
98 | END; |
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99 | |||
100 | PROC* = POINTER TO RECORD (LISTS.ITEM) |
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101 | |||
102 | label*: INTEGER; |
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103 | used*: BOOLEAN; |
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104 | processed*: BOOLEAN; |
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105 | import*: LISTS.ITEM; |
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106 | using*: LISTS.LIST; |
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107 | enter*, |
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108 | leave*: LISTS.ITEM |
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109 | |||
110 | END; |
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111 | |||
112 | USED_PROC = POINTER TO RECORD (LISTS.ITEM) |
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113 | |||
114 | proc: PROC |
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115 | |||
116 | END; |
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117 | |||
118 | rUNIT = RECORD (LISTS.ITEM) |
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119 | |||
120 | program*: PROGRAM; |
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121 | name*: SCAN.IDENT; |
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7693 | akron1 | 122 | idents*: LISTS.LIST; |
7597 | akron1 | 123 | frwPointers: LISTS.LIST; |
124 | gscope: IDENT; |
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125 | closed*: BOOLEAN; |
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126 | scopeLvl*: INTEGER; |
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127 | sysimport*: BOOLEAN; |
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7693 | akron1 | 128 | scopes*: ARRAY MAXSCOPE OF PROC |
7597 | akron1 | 129 | |
130 | END; |
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131 | |||
132 | FIELD* = POINTER TO rFIELD; |
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133 | |||
134 | PARAM* = POINTER TO rPARAM; |
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135 | |||
136 | rTYPE_ = RECORD (LISTS.ITEM) |
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137 | |||
138 | typ*: INTEGER; |
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139 | size*: INTEGER; |
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7693 | akron1 | 140 | parSize*: INTEGER; |
7597 | akron1 | 141 | length*: INTEGER; |
142 | align*: INTEGER; |
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143 | base*: TYPE_; |
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7693 | akron1 | 144 | fields*: LISTS.LIST; |
145 | params*: LISTS.LIST; |
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7597 | akron1 | 146 | unit*: UNIT; |
147 | closed*: BOOLEAN; |
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148 | num*: INTEGER; |
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149 | call*: INTEGER; |
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150 | import*: BOOLEAN; |
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151 | noalign*: BOOLEAN |
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152 | |||
153 | END; |
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154 | |||
155 | rFIELD = RECORD (LISTS.ITEM) |
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156 | |||
157 | type*: TYPE_; |
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158 | name*: SCAN.IDENT; |
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159 | export*: BOOLEAN; |
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160 | offset*: INTEGER |
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161 | |||
162 | END; |
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163 | |||
164 | rPARAM = RECORD (LISTS.ITEM) |
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165 | |||
166 | name*: SCAN.IDENT; |
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167 | type*: TYPE_; |
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168 | vPar*: BOOLEAN; |
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169 | offset*: INTEGER |
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170 | |||
171 | END; |
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172 | |||
173 | rIDENT = RECORD (LISTS.ITEM) |
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174 | |||
175 | name*: SCAN.IDENT; |
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176 | typ*: INTEGER; |
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177 | export*: BOOLEAN; |
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178 | import*: LISTS.ITEM; |
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179 | unit*: UNIT; |
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180 | value*: ARITH.VALUE; |
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181 | type*: TYPE_; |
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182 | stproc*: INTEGER; |
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183 | global*: BOOLEAN; |
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184 | scopeLvl*: INTEGER; |
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185 | offset*: INTEGER; |
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186 | proc*: PROC; |
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187 | pos*: SCAN.POSITION |
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188 | |||
189 | END; |
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190 | |||
191 | rPROGRAM = RECORD |
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192 | |||
193 | recCount: INTEGER; |
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7693 | akron1 | 194 | units*: LISTS.LIST; |
7597 | akron1 | 195 | types*: LISTS.LIST; |
196 | sysunit*: UNIT; |
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197 | rtl*: UNIT; |
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198 | bss*: INTEGER; |
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199 | locsize*: INTEGER; |
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200 | |||
201 | procs*: LISTS.LIST; |
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202 | dll*: BOOLEAN; |
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203 | obj*: BOOLEAN; |
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204 | |||
7693 | akron1 | 205 | stTypes*: RECORD |
7597 | akron1 | 206 | |
7693 | akron1 | 207 | tINTEGER*, tBYTE*, tCHAR*, tWCHAR*, tSET*, tBOOLEAN*, tREAL*, |
208 | tSTRING*, tNIL*, tCARD16*, tCARD32*, tANYREC*: TYPE_ |
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7597 | akron1 | 209 | |
210 | END; |
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211 | |||
212 | target*: RECORD |
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213 | |||
214 | bit_depth*: INTEGER; |
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215 | word*: INTEGER; |
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216 | adr*: INTEGER; |
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7693 | akron1 | 217 | sys*: INTEGER; |
218 | sysflags*: SET; |
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219 | options*: OPTIONS |
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7597 | akron1 | 220 | |
7693 | akron1 | 221 | END |
7597 | akron1 | 222 | |
223 | END; |
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224 | |||
225 | DELIMPORT = PROCEDURE (import: LISTS.ITEM); |
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226 | |||
227 | |||
228 | VAR |
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229 | |||
230 | idents: C.COLLECTION; |
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231 | |||
232 | |||
233 | PROCEDURE NewIdent (): IDENT; |
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234 | VAR |
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235 | ident: IDENT; |
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236 | citem: C.ITEM; |
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237 | |||
238 | BEGIN |
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239 | citem := C.pop(idents); |
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240 | IF citem = NIL THEN |
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241 | NEW(ident) |
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242 | ELSE |
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243 | ident := citem(IDENT) |
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244 | END |
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245 | |||
246 | RETURN ident |
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247 | END NewIdent; |
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248 | |||
249 | |||
250 | PROCEDURE getOffset* (program: PROGRAM; varIdent: IDENT): INTEGER; |
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251 | VAR |
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252 | word: INTEGER; |
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253 | size: INTEGER; |
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254 | |||
255 | BEGIN |
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256 | IF varIdent.offset = -1 THEN |
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257 | IF varIdent.global THEN |
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7693 | akron1 | 258 | IF UTILS.Align(program.bss, varIdent.type.align) THEN |
7597 | akron1 | 259 | IF UTILS.maxint - program.bss >= varIdent.type.size THEN |
260 | varIdent.offset := program.bss; |
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261 | INC(program.bss, varIdent.type.size) |
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262 | END |
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263 | END |
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264 | ELSE |
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265 | word := program.target.word; |
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266 | size := varIdent.type.size; |
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7693 | akron1 | 267 | IF UTILS.Align(size, word) THEN |
7597 | akron1 | 268 | size := size DIV word; |
269 | IF UTILS.maxint - program.locsize >= size THEN |
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270 | INC(program.locsize, size); |
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271 | varIdent.offset := program.locsize; |
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272 | END |
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273 | END |
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274 | END |
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275 | END |
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276 | |||
277 | RETURN varIdent.offset |
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278 | END getOffset; |
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279 | |||
280 | |||
7693 | akron1 | 281 | PROCEDURE closeUnit* (unit: UNIT); |
7597 | akron1 | 282 | VAR |
283 | ident, prev: IDENT; |
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284 | offset: INTEGER; |
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285 | |||
286 | BEGIN |
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287 | ident := unit.idents.last(IDENT); |
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288 | WHILE (ident # NIL) & (ident.typ # idGUARD) DO |
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289 | IF (ident.typ = idVAR) & (ident.offset = -1) THEN |
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7693 | akron1 | 290 | ERRORS.HintMsg(ident.name.s, ident.pos.line, ident.pos.col, 0); |
7597 | akron1 | 291 | IF ident.export THEN |
292 | offset := getOffset(unit.program, ident) |
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293 | END |
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294 | END; |
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295 | ident := ident.prev(IDENT) |
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296 | END; |
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297 | |||
298 | ident := unit.idents.last(IDENT); |
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299 | WHILE ident # NIL DO |
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300 | prev := ident.prev(IDENT); |
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301 | IF ~ident.export THEN |
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302 | LISTS.delete(unit.idents, ident); |
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303 | C.push(idents, ident) |
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304 | END; |
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305 | ident := prev |
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306 | END; |
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307 | |||
308 | unit.closed := TRUE |
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7693 | akron1 | 309 | END closeUnit; |
7597 | akron1 | 310 | |
311 | |||
312 | PROCEDURE unique (unit: UNIT; ident: SCAN.IDENT): BOOLEAN; |
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313 | VAR |
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314 | item: IDENT; |
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315 | |||
316 | BEGIN |
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317 | ASSERT(ident # NIL); |
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318 | |||
319 | item := unit.idents.last(IDENT); |
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320 | WHILE (item.typ # idGUARD) & (item.name # ident) DO |
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321 | item := item.prev(IDENT) |
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322 | END |
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323 | |||
324 | RETURN item.typ = idGUARD |
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325 | END unique; |
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326 | |||
327 | |||
7693 | akron1 | 328 | PROCEDURE addIdent* (unit: UNIT; ident: SCAN.IDENT; typ: INTEGER): IDENT; |
7597 | akron1 | 329 | VAR |
7693 | akron1 | 330 | item: IDENT; |
331 | res: BOOLEAN; |
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332 | proc: PROC; |
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333 | procs: LISTS.LIST; |
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7597 | akron1 | 334 | |
335 | BEGIN |
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336 | ASSERT(unit # NIL); |
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337 | ASSERT(ident # NIL); |
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338 | |||
339 | res := unique(unit, ident); |
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340 | |||
341 | IF res THEN |
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342 | item := NewIdent(); |
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343 | |||
344 | item.name := ident; |
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345 | item.typ := typ; |
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346 | item.unit := NIL; |
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347 | item.export := FALSE; |
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348 | item.import := NIL; |
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349 | item.type := NIL; |
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350 | item.value.typ := 0; |
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351 | item.stproc := 0; |
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352 | |||
353 | item.global := unit.scopeLvl = 0; |
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354 | item.scopeLvl := unit.scopeLvl; |
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355 | item.offset := -1; |
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356 | |||
357 | IF item.typ IN {idPROC, idIMP} THEN |
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358 | NEW(proc); |
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359 | proc.import := NIL; |
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360 | proc.label := 0; |
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361 | proc.used := FALSE; |
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362 | proc.processed := FALSE; |
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363 | proc.using := LISTS.create(NIL); |
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364 | procs := unit.program.procs; |
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365 | LISTS.push(procs, proc); |
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366 | item.proc := proc |
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367 | END; |
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368 | |||
369 | LISTS.push(unit.idents, item) |
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370 | ELSE |
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371 | item := NIL |
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372 | END |
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373 | |||
374 | RETURN item |
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375 | END addIdent; |
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376 | |||
377 | |||
378 | PROCEDURE UseProc* (unit: UNIT; call_proc: PROC); |
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379 | VAR |
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7693 | akron1 | 380 | procs: LISTS.LIST; |
381 | cur: LISTS.ITEM; |
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382 | proc: USED_PROC; |
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7597 | akron1 | 383 | |
384 | BEGIN |
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385 | IF unit.scopeLvl = 0 THEN |
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386 | call_proc.used := TRUE |
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387 | ELSE |
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388 | procs := unit.scopes[unit.scopeLvl].using; |
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389 | |||
390 | cur := procs.first; |
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391 | WHILE (cur # NIL) & (cur(USED_PROC).proc # call_proc) DO |
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392 | cur := cur.next |
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393 | END; |
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394 | |||
395 | IF cur = NIL THEN |
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396 | NEW(proc); |
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397 | proc.proc := call_proc; |
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398 | LISTS.push(procs, proc) |
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399 | END |
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400 | END |
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401 | END UseProc; |
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402 | |||
403 | |||
7693 | akron1 | 404 | PROCEDURE setVarsType* (unit: UNIT; type: TYPE_); |
7597 | akron1 | 405 | VAR |
406 | item: IDENT; |
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407 | |||
408 | BEGIN |
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409 | ASSERT(type # NIL); |
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410 | |||
411 | item := unit.idents.last(IDENT); |
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412 | WHILE (item # NIL) & (item.typ = idVAR) & (item.type = NIL) DO |
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413 | item.type := type; |
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414 | item := item.prev(IDENT) |
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415 | END |
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7693 | akron1 | 416 | END setVarsType; |
7597 | akron1 | 417 | |
418 | |||
7693 | akron1 | 419 | PROCEDURE getIdent* (unit: UNIT; ident: SCAN.IDENT; currentScope: BOOLEAN): IDENT; |
7597 | akron1 | 420 | VAR |
421 | item: IDENT; |
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422 | |||
423 | BEGIN |
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424 | ASSERT(ident # NIL); |
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425 | |||
426 | item := unit.idents.last(IDENT); |
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427 | |||
7693 | akron1 | 428 | IF item # NIL THEN |
7597 | akron1 | 429 | |
7693 | akron1 | 430 | IF currentScope THEN |
431 | WHILE (item.name # ident) & (item.typ # idGUARD) DO |
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432 | item := item.prev(IDENT) |
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433 | END; |
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434 | IF item.name # ident THEN |
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435 | item := NIL |
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436 | END |
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437 | ELSE |
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438 | WHILE (item # NIL) & (item.name # ident) DO |
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439 | item := item.prev(IDENT) |
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440 | END |
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7597 | akron1 | 441 | END |
7693 | akron1 | 442 | |
7597 | akron1 | 443 | END |
444 | |||
445 | RETURN item |
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446 | END getIdent; |
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447 | |||
448 | |||
7693 | akron1 | 449 | PROCEDURE openScope* (unit: UNIT; proc: PROC): BOOLEAN; |
7597 | akron1 | 450 | VAR |
451 | item: IDENT; |
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452 | res: BOOLEAN; |
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453 | |||
454 | BEGIN |
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455 | INC(unit.scopeLvl); |
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456 | |||
457 | res := unit.scopeLvl < MAXSCOPE; |
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458 | |||
459 | IF res THEN |
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460 | |||
461 | unit.scopes[unit.scopeLvl] := proc; |
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462 | |||
463 | NEW(item); |
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464 | item := NewIdent(); |
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465 | |||
466 | item.name := NIL; |
||
467 | item.typ := idGUARD; |
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468 | |||
469 | LISTS.push(unit.idents, item) |
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470 | END |
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471 | |||
472 | RETURN res |
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473 | END openScope; |
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474 | |||
475 | |||
7693 | akron1 | 476 | PROCEDURE closeScope* (unit: UNIT; variables: LISTS.LIST); |
7597 | akron1 | 477 | VAR |
478 | item: IDENT; |
||
479 | del: IDENT; |
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7693 | akron1 | 480 | lvar: IL.LOCALVAR; |
7597 | akron1 | 481 | |
482 | BEGIN |
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483 | item := unit.idents.last(IDENT); |
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484 | |||
485 | WHILE (item # NIL) & (item.typ # idGUARD) DO |
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486 | del := item; |
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487 | item := item.prev(IDENT); |
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488 | IF (del.typ = idVAR) & (del.offset = -1) THEN |
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7693 | akron1 | 489 | ERRORS.HintMsg(del.name.s, del.pos.line, del.pos.col, 0) |
7597 | akron1 | 490 | END; |
491 | IF (variables # NIL) & (del.typ IN {idVAR, idPARAM}) & (del.offset # -1) THEN |
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492 | IF del.type.typ IN BASICTYPES - {tREAL} + {tPOINTER, tPROCEDURE} THEN |
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7693 | akron1 | 493 | lvar := IL.NewVar(); |
7597 | akron1 | 494 | lvar.offset := del.offset; |
495 | lvar.size := del.type.size; |
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496 | IF del.typ = idVAR THEN |
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497 | lvar.offset := -lvar.offset |
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498 | END; |
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499 | LISTS.push(variables, lvar) |
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500 | END |
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501 | END; |
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502 | LISTS.delete(unit.idents, del); |
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503 | C.push(idents, del) |
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504 | END; |
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505 | |||
506 | IF (item # NIL) & (item.typ = idGUARD) THEN |
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507 | LISTS.delete(unit.idents, item); |
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508 | C.push(idents, item) |
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509 | END; |
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510 | |||
511 | DEC(unit.scopeLvl) |
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512 | |||
513 | END closeScope; |
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514 | |||
515 | |||
7693 | akron1 | 516 | PROCEDURE frwPtr* (unit: UNIT; type: TYPE_; baseIdent: SCAN.IDENT; pos: SCAN.POSITION); |
7597 | akron1 | 517 | VAR |
518 | newptr: FRWPTR; |
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519 | |||
520 | BEGIN |
||
521 | ASSERT(unit # NIL); |
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522 | ASSERT(type # NIL); |
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523 | ASSERT(baseIdent # NIL); |
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524 | |||
525 | NEW(newptr); |
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526 | |||
7693 | akron1 | 527 | newptr.type := type; |
528 | newptr.baseIdent := baseIdent; |
||
529 | newptr.pos := pos; |
||
530 | newptr.linked := FALSE; |
||
531 | newptr.notRecord := FALSE; |
||
7597 | akron1 | 532 | |
533 | LISTS.push(unit.frwPointers, newptr) |
||
7693 | akron1 | 534 | END frwPtr; |
7597 | akron1 | 535 | |
536 | |||
7693 | akron1 | 537 | PROCEDURE linkPtr* (unit: UNIT): FRWPTR; |
7597 | akron1 | 538 | VAR |
539 | item: FRWPTR; |
||
540 | ident: IDENT; |
||
541 | res: FRWPTR; |
||
542 | |||
543 | BEGIN |
||
544 | res := NIL; |
||
545 | item := unit.frwPointers.last(FRWPTR); |
||
546 | |||
547 | WHILE (item # NIL) & ~item.linked & (res = NIL) DO |
||
7693 | akron1 | 548 | ident := getIdent(unit, item.baseIdent, TRUE); |
7597 | akron1 | 549 | |
550 | IF (ident # NIL) THEN |
||
551 | IF (ident.typ = idTYPE) & (ident.type.typ = tRECORD) THEN |
||
552 | item.type.base := ident.type; |
||
553 | item.linked := TRUE |
||
554 | ELSE |
||
555 | item.notRecord := TRUE; |
||
556 | res := item |
||
557 | END |
||
558 | ELSE |
||
559 | item.notRecord := FALSE; |
||
560 | res := item |
||
561 | END; |
||
562 | |||
563 | item := item.prev(FRWPTR) |
||
564 | END |
||
565 | |||
566 | RETURN res |
||
7693 | akron1 | 567 | END linkPtr; |
7597 | akron1 | 568 | |
569 | |||
570 | PROCEDURE isTypeEq* (t1, t2: TYPE_): BOOLEAN; |
||
571 | VAR |
||
572 | res: BOOLEAN; |
||
573 | param1, param2: LISTS.ITEM; |
||
574 | |||
575 | BEGIN |
||
576 | IF t1 = t2 THEN |
||
577 | res := TRUE |
||
578 | ELSIF (t1 = NIL) OR (t2 = NIL) THEN |
||
579 | res := FALSE |
||
580 | ELSIF (t1.typ = tPROCEDURE) & (t2.typ = tPROCEDURE) THEN |
||
581 | |||
582 | param1 := t1.params.first; |
||
583 | param2 := t2.params.first; |
||
584 | |||
7693 | akron1 | 585 | res := ((t1.call = t2.call) OR (t1.call IN {code, _code}) OR (t2.call IN {code, _code})) & ((param1 # NIL) = (param2 # NIL)); |
7597 | akron1 | 586 | |
587 | WHILE res & (param1 # NIL) & (param2 # NIL) DO |
||
588 | res := (param1(PARAM).vPar = param2(PARAM).vPar) & isTypeEq(param1(PARAM).type, param2(PARAM).type); |
||
589 | param1 := param1.next; |
||
590 | param2 := param2.next; |
||
591 | res := res & ((param1 # NIL) = (param2 # NIL)) |
||
592 | END; |
||
593 | |||
594 | res := res & isTypeEq(t1.base, t2.base) |
||
595 | |||
596 | ELSIF (t1.typ = tARRAY) & (t2.typ = tARRAY) THEN |
||
597 | res := (t1.length = 0) & (t2.length = 0) & isTypeEq(t1.base, t2.base) |
||
598 | ELSE |
||
599 | res := FALSE |
||
600 | END |
||
601 | |||
602 | RETURN res |
||
603 | END isTypeEq; |
||
604 | |||
605 | |||
606 | PROCEDURE isBaseOf* (t0, t1: TYPE_): BOOLEAN; |
||
607 | VAR |
||
608 | res: BOOLEAN; |
||
609 | |||
610 | BEGIN |
||
7693 | akron1 | 611 | res := (t0.typ = t1.typ) & (t0.typ IN {tPOINTER, tRECORD}); |
7597 | akron1 | 612 | |
7693 | akron1 | 613 | IF res & (t0.typ = tPOINTER) THEN |
7597 | akron1 | 614 | t0 := t0.base; |
615 | t1 := t1.base |
||
616 | END; |
||
617 | |||
7693 | akron1 | 618 | IF res THEN |
619 | WHILE (t1 # NIL) & (t1 # t0) DO |
||
620 | t1 := t1.base |
||
621 | END; |
||
622 | res := t1 # NIL |
||
7597 | akron1 | 623 | END |
624 | |||
7693 | akron1 | 625 | RETURN res |
7597 | akron1 | 626 | END isBaseOf; |
627 | |||
628 | |||
629 | PROCEDURE isOpenArray* (t: TYPE_): BOOLEAN; |
||
630 | RETURN (t.typ = tARRAY) & (t.length = 0) |
||
631 | END isOpenArray; |
||
632 | |||
633 | |||
7693 | akron1 | 634 | PROCEDURE getUnit* (program: PROGRAM; name: SCAN.IDENT): UNIT; |
7597 | akron1 | 635 | VAR |
636 | item: UNIT; |
||
637 | |||
638 | BEGIN |
||
639 | ASSERT(name # NIL); |
||
640 | |||
7693 | akron1 | 641 | item := program.units.first(UNIT); |
7597 | akron1 | 642 | |
643 | WHILE (item # NIL) & (item.name # name) DO |
||
644 | item := item.next(UNIT) |
||
645 | END; |
||
646 | |||
647 | IF (item = NIL) & (name.s = "SYSTEM") THEN |
||
7693 | akron1 | 648 | item := program.sysunit |
7597 | akron1 | 649 | END |
650 | |||
651 | RETURN item |
||
7693 | akron1 | 652 | END getUnit; |
7597 | akron1 | 653 | |
654 | |||
655 | PROCEDURE enterStTypes (unit: UNIT; program: PROGRAM); |
||
656 | VAR |
||
7693 | akron1 | 657 | ident: IDENT; |
7597 | akron1 | 658 | |
659 | BEGIN |
||
7693 | akron1 | 660 | ident := addIdent(unit, SCAN.enterid("INTEGER"), idTYPE); |
7597 | akron1 | 661 | ident.type := program.stTypes.tINTEGER; |
662 | |||
7693 | akron1 | 663 | ident := addIdent(unit, SCAN.enterid("BYTE"), idTYPE); |
7597 | akron1 | 664 | ident.type := program.stTypes.tBYTE; |
665 | |||
7693 | akron1 | 666 | ident := addIdent(unit, SCAN.enterid("CHAR"), idTYPE); |
7597 | akron1 | 667 | ident.type := program.stTypes.tCHAR; |
668 | |||
7693 | akron1 | 669 | ident := addIdent(unit, SCAN.enterid("SET"), idTYPE); |
7597 | akron1 | 670 | ident.type := program.stTypes.tSET; |
671 | |||
7693 | akron1 | 672 | ident := addIdent(unit, SCAN.enterid("BOOLEAN"), idTYPE); |
7597 | akron1 | 673 | ident.type := program.stTypes.tBOOLEAN; |
674 | |||
7693 | akron1 | 675 | IF program.target.sys # mConst.Target_iMSP430 THEN |
676 | ident := addIdent(unit, SCAN.enterid("REAL"), idTYPE); |
||
677 | ident.type := program.stTypes.tREAL; |
||
7597 | akron1 | 678 | |
7693 | akron1 | 679 | ident := addIdent(unit, SCAN.enterid("WCHAR"), idTYPE); |
680 | ident.type := program.stTypes.tWCHAR |
||
681 | END |
||
682 | |||
7597 | akron1 | 683 | END enterStTypes; |
684 | |||
685 | |||
686 | PROCEDURE enterStProcs (unit: UNIT); |
||
687 | |||
688 | |||
7693 | akron1 | 689 | PROCEDURE EnterProc (unit: UNIT; name: SCAN.LEXSTR; proc: INTEGER); |
7597 | akron1 | 690 | VAR |
691 | ident: IDENT; |
||
692 | BEGIN |
||
7693 | akron1 | 693 | ident := addIdent(unit, SCAN.enterid(name), idSTPROC); |
7597 | akron1 | 694 | ident.stproc := proc |
695 | END EnterProc; |
||
696 | |||
697 | |||
7693 | akron1 | 698 | PROCEDURE EnterFunc (unit: UNIT; name: SCAN.LEXSTR; func: INTEGER); |
699 | VAR |
||
700 | ident: IDENT; |
||
701 | BEGIN |
||
702 | ident := addIdent(unit, SCAN.enterid(name), idSTFUNC); |
||
703 | ident.stproc := func |
||
704 | END EnterFunc; |
||
705 | |||
706 | |||
7597 | akron1 | 707 | BEGIN |
7693 | akron1 | 708 | EnterProc(unit, "ASSERT", stASSERT); |
709 | EnterProc(unit, "DEC", stDEC); |
||
710 | EnterProc(unit, "EXCL", stEXCL); |
||
711 | EnterProc(unit, "INC", stINC); |
||
712 | EnterProc(unit, "INCL", stINCL); |
||
713 | EnterProc(unit, "NEW", stNEW); |
||
714 | EnterProc(unit, "COPY", stCOPY); |
||
7597 | akron1 | 715 | |
7693 | akron1 | 716 | EnterFunc(unit, "ABS", stABS); |
717 | EnterFunc(unit, "ASR", stASR); |
||
718 | EnterFunc(unit, "CHR", stCHR); |
||
719 | EnterFunc(unit, "LEN", stLEN); |
||
720 | EnterFunc(unit, "LSL", stLSL); |
||
721 | EnterFunc(unit, "ODD", stODD); |
||
722 | EnterFunc(unit, "ORD", stORD); |
||
723 | EnterFunc(unit, "ROR", stROR); |
||
724 | EnterFunc(unit, "BITS", stBITS); |
||
725 | EnterFunc(unit, "LSR", stLSR); |
||
726 | EnterFunc(unit, "LENGTH", stLENGTH); |
||
727 | EnterFunc(unit, "MIN", stMIN); |
||
728 | EnterFunc(unit, "MAX", stMAX); |
||
729 | |||
730 | IF unit.program.target.sys # mConst.Target_iMSP430 THEN |
||
731 | EnterProc(unit, "PACK", stPACK); |
||
732 | EnterProc(unit, "UNPK", stUNPK); |
||
733 | EnterProc(unit, "DISPOSE", stDISPOSE); |
||
734 | |||
735 | EnterFunc(unit, "WCHR", stWCHR); |
||
736 | EnterFunc(unit, "FLOOR", stFLOOR); |
||
737 | EnterFunc(unit, "FLT", stFLT) |
||
738 | END |
||
739 | |||
7597 | akron1 | 740 | END enterStProcs; |
741 | |||
742 | |||
7693 | akron1 | 743 | PROCEDURE newUnit* (program: PROGRAM; name: SCAN.IDENT): UNIT; |
7597 | akron1 | 744 | VAR |
7693 | akron1 | 745 | unit: UNIT; |
7597 | akron1 | 746 | |
747 | BEGIN |
||
7693 | akron1 | 748 | ASSERT(program # NIL); |
7597 | akron1 | 749 | ASSERT(name # NIL); |
750 | |||
751 | NEW(unit); |
||
752 | |||
7693 | akron1 | 753 | unit.program := program; |
7597 | akron1 | 754 | unit.name := name; |
755 | unit.closed := FALSE; |
||
7693 | akron1 | 756 | unit.idents := LISTS.create(NIL); |
7597 | akron1 | 757 | unit.frwPointers := LISTS.create(NIL); |
758 | |||
7693 | akron1 | 759 | ASSERT(openScope(unit, NIL)); |
7597 | akron1 | 760 | |
7693 | akron1 | 761 | enterStTypes(unit, program); |
7597 | akron1 | 762 | enterStProcs(unit); |
763 | |||
7693 | akron1 | 764 | ASSERT(openScope(unit, NIL)); |
7597 | akron1 | 765 | |
766 | unit.gscope := unit.idents.last(IDENT); |
||
767 | |||
7693 | akron1 | 768 | LISTS.push(program.units, unit); |
7597 | akron1 | 769 | |
770 | unit.scopeLvl := 0; |
||
771 | unit.scopes[0] := NIL; |
||
772 | |||
773 | unit.sysimport := FALSE; |
||
774 | |||
775 | IF unit.name.s = mConst.RTL_NAME THEN |
||
7693 | akron1 | 776 | program.rtl := unit |
7597 | akron1 | 777 | END |
778 | |||
779 | RETURN unit |
||
7693 | akron1 | 780 | END newUnit; |
7597 | akron1 | 781 | |
782 | |||
7693 | akron1 | 783 | PROCEDURE getField* (self: TYPE_; name: SCAN.IDENT; unit: UNIT): FIELD; |
7597 | akron1 | 784 | VAR |
7693 | akron1 | 785 | field: FIELD; |
7597 | akron1 | 786 | |
787 | BEGIN |
||
788 | ASSERT(self # NIL); |
||
789 | ASSERT(name # NIL); |
||
790 | ASSERT(unit # NIL); |
||
791 | |||
792 | field := NIL; |
||
793 | WHILE (self # NIL) & (field = NIL) DO |
||
794 | |||
795 | field := self.fields.first(FIELD); |
||
796 | |||
797 | WHILE (field # NIL) & (field.name # name) DO |
||
798 | field := field.next(FIELD) |
||
799 | END; |
||
800 | |||
801 | IF field = NIL THEN |
||
802 | self := self.base |
||
803 | END |
||
804 | |||
805 | END; |
||
806 | |||
807 | IF (field # NIL) & (self.unit # unit) & ~field.export THEN |
||
808 | field := NIL |
||
809 | END |
||
810 | |||
811 | RETURN field |
||
812 | END getField; |
||
813 | |||
814 | |||
7693 | akron1 | 815 | PROCEDURE addField* (self: TYPE_; name: SCAN.IDENT; export: BOOLEAN): BOOLEAN; |
7597 | akron1 | 816 | VAR |
7693 | akron1 | 817 | field: FIELD; |
818 | res: BOOLEAN; |
||
7597 | akron1 | 819 | |
820 | BEGIN |
||
821 | ASSERT(name # NIL); |
||
822 | |||
823 | res := getField(self, name, self.unit) = NIL; |
||
824 | |||
825 | IF res THEN |
||
826 | NEW(field); |
||
827 | |||
828 | field.name := name; |
||
829 | field.export := export; |
||
830 | field.type := NIL; |
||
831 | field.offset := self.size; |
||
832 | |||
833 | LISTS.push(self.fields, field) |
||
834 | END |
||
835 | |||
836 | RETURN res |
||
837 | END addField; |
||
838 | |||
839 | |||
7693 | akron1 | 840 | PROCEDURE setFields* (self: TYPE_; type: TYPE_): BOOLEAN; |
7597 | akron1 | 841 | VAR |
842 | item: FIELD; |
||
843 | res: BOOLEAN; |
||
844 | |||
845 | BEGIN |
||
846 | ASSERT(type # NIL); |
||
847 | |||
848 | item := self.fields.first(FIELD); |
||
849 | |||
850 | WHILE (item # NIL) & (item.type # NIL) DO |
||
851 | item := item.next(FIELD) |
||
852 | END; |
||
853 | |||
854 | res := TRUE; |
||
855 | |||
856 | WHILE res & (item # NIL) & (item.type = NIL) DO |
||
857 | item.type := type; |
||
858 | IF ~self.noalign THEN |
||
7693 | akron1 | 859 | res := UTILS.Align(self.size, type.align) |
7597 | akron1 | 860 | ELSE |
861 | res := TRUE |
||
862 | END; |
||
863 | item.offset := self.size; |
||
864 | res := res & (UTILS.maxint - self.size >= type.size); |
||
865 | IF res THEN |
||
866 | INC(self.size, type.size) |
||
867 | END; |
||
868 | item := item.next(FIELD) |
||
869 | END |
||
870 | |||
871 | RETURN res |
||
872 | END setFields; |
||
873 | |||
874 | |||
7693 | akron1 | 875 | PROCEDURE getParam* (self: TYPE_; name: SCAN.IDENT): PARAM; |
7597 | akron1 | 876 | VAR |
7693 | akron1 | 877 | item: PARAM; |
7597 | akron1 | 878 | |
879 | BEGIN |
||
880 | ASSERT(name # NIL); |
||
881 | |||
882 | item := self.params.first(PARAM); |
||
883 | |||
884 | WHILE (item # NIL) & (item.name # name) DO |
||
885 | item := item.next(PARAM) |
||
886 | END |
||
887 | |||
888 | RETURN item |
||
889 | END getParam; |
||
890 | |||
891 | |||
7693 | akron1 | 892 | PROCEDURE addParam* (self: TYPE_; name: SCAN.IDENT; vPar: BOOLEAN): BOOLEAN; |
7597 | akron1 | 893 | VAR |
7693 | akron1 | 894 | param: PARAM; |
895 | res: BOOLEAN; |
||
7597 | akron1 | 896 | |
897 | BEGIN |
||
898 | ASSERT(name # NIL); |
||
899 | |||
7693 | akron1 | 900 | res := getParam(self, name) = NIL; |
7597 | akron1 | 901 | |
902 | IF res THEN |
||
903 | NEW(param); |
||
904 | |||
905 | param.name := name; |
||
906 | param.type := NIL; |
||
907 | param.vPar := vPar; |
||
908 | |||
909 | LISTS.push(self.params, param) |
||
910 | END |
||
911 | |||
912 | RETURN res |
||
913 | END addParam; |
||
914 | |||
915 | |||
916 | PROCEDURE Dim* (t: TYPE_): INTEGER; |
||
917 | VAR |
||
918 | res: INTEGER; |
||
919 | |||
920 | BEGIN |
||
921 | res := 0; |
||
922 | WHILE isOpenArray(t) DO |
||
923 | t := t.base; |
||
924 | INC(res) |
||
925 | END |
||
926 | RETURN res |
||
927 | END Dim; |
||
928 | |||
929 | |||
930 | PROCEDURE OpenBase* (t: TYPE_): TYPE_; |
||
931 | BEGIN |
||
932 | WHILE isOpenArray(t) DO t := t.base END |
||
933 | RETURN t |
||
934 | END OpenBase; |
||
935 | |||
936 | |||
7693 | akron1 | 937 | PROCEDURE getFloatParamsPos* (self: TYPE_; maxoffs: INTEGER; VAR int, flt: INTEGER): SET; |
7597 | akron1 | 938 | VAR |
939 | res: SET; |
||
940 | param: PARAM; |
||
941 | |||
942 | BEGIN |
||
943 | res := {}; |
||
944 | int := 0; |
||
945 | flt := 0; |
||
946 | param := self.params.first(PARAM); |
||
947 | WHILE (param # NIL) & (param.offset <= maxoffs + STACK_FRAME) DO |
||
948 | IF ~param.vPar & (param.type.typ = tREAL) THEN |
||
949 | INCL(res, param.offset - STACK_FRAME); |
||
950 | INC(flt) |
||
951 | END; |
||
952 | param := param.next(PARAM) |
||
953 | END; |
||
954 | |||
7693 | akron1 | 955 | int := self.parSize - flt |
7597 | akron1 | 956 | |
957 | RETURN res |
||
958 | END getFloatParamsPos; |
||
959 | |||
960 | |||
7693 | akron1 | 961 | PROCEDURE setParams* (self: TYPE_; type: TYPE_); |
7597 | akron1 | 962 | VAR |
963 | item: LISTS.ITEM; |
||
964 | param: PARAM; |
||
965 | word, size: INTEGER; |
||
966 | |||
967 | BEGIN |
||
968 | ASSERT(type # NIL); |
||
969 | |||
7693 | akron1 | 970 | word := UTILS.target.bit_depth DIV 8; |
7597 | akron1 | 971 | |
972 | item := self.params.first; |
||
973 | |||
974 | WHILE (item # NIL) & (item(PARAM).type # NIL) DO |
||
975 | item := item.next |
||
976 | END; |
||
977 | |||
978 | WHILE (item # NIL) & (item(PARAM).type = NIL) DO |
||
979 | param := item(PARAM); |
||
980 | param.type := type; |
||
981 | IF param.vPar THEN |
||
982 | IF type.typ = tRECORD THEN |
||
983 | size := 2 |
||
984 | ELSIF isOpenArray(type) THEN |
||
985 | size := Dim(type) + 1 |
||
986 | ELSE |
||
987 | size := 1 |
||
988 | END; |
||
7693 | akron1 | 989 | param.offset := self.parSize + ORD(type.typ = tRECORD) + Dim(type) + STACK_FRAME; |
990 | INC(self.parSize, size) |
||
7597 | akron1 | 991 | ELSE |
992 | IF type.typ IN {tRECORD, tARRAY} THEN |
||
993 | IF isOpenArray(type) THEN |
||
994 | size := Dim(type) + 1 |
||
995 | ELSE |
||
996 | size := 1 |
||
997 | END |
||
998 | ELSE |
||
999 | size := type.size; |
||
7693 | akron1 | 1000 | ASSERT(UTILS.Align(size, word)); |
7597 | akron1 | 1001 | size := size DIV word |
1002 | END; |
||
7693 | akron1 | 1003 | param.offset := self.parSize + Dim(type) + STACK_FRAME; |
1004 | INC(self.parSize, size) |
||
7597 | akron1 | 1005 | END; |
1006 | |||
1007 | item := item.next |
||
1008 | END |
||
1009 | |||
1010 | END setParams; |
||
1011 | |||
1012 | |||
7693 | akron1 | 1013 | PROCEDURE enterType* (program: PROGRAM; typ, size, length: INTEGER; unit: UNIT): TYPE_; |
7597 | akron1 | 1014 | VAR |
7693 | akron1 | 1015 | t: TYPE_; |
7597 | akron1 | 1016 | |
1017 | BEGIN |
||
1018 | NEW(t); |
||
1019 | |||
1020 | t.typ := typ; |
||
1021 | t.size := size; |
||
1022 | t.length := length; |
||
1023 | t.align := 0; |
||
1024 | t.base := NIL; |
||
7693 | akron1 | 1025 | t.fields := LISTS.create(NIL); |
1026 | t.params := LISTS.create(NIL); |
||
7597 | akron1 | 1027 | t.unit := unit; |
1028 | t.num := 0; |
||
7693 | akron1 | 1029 | |
1030 | CASE program.target.bit_depth OF |
||
1031 | |16: t.call := default16 |
||
1032 | |32: t.call := default32 |
||
1033 | |64: t.call := default64 |
||
7597 | akron1 | 1034 | END; |
7693 | akron1 | 1035 | |
7597 | akron1 | 1036 | t.import := FALSE; |
1037 | t.noalign := FALSE; |
||
7693 | akron1 | 1038 | t.parSize := 0; |
7597 | akron1 | 1039 | |
1040 | IF typ IN {tARRAY, tRECORD} THEN |
||
1041 | t.closed := FALSE; |
||
1042 | IF typ = tRECORD THEN |
||
1043 | INC(program.recCount); |
||
1044 | t.num := program.recCount |
||
1045 | END |
||
1046 | ELSE |
||
1047 | t.closed := TRUE |
||
1048 | END; |
||
1049 | |||
1050 | LISTS.push(program.types, t) |
||
1051 | |||
1052 | RETURN t |
||
1053 | END enterType; |
||
1054 | |||
1055 | |||
7693 | akron1 | 1056 | PROCEDURE getType* (program: PROGRAM; typ: INTEGER): TYPE_; |
7597 | akron1 | 1057 | VAR |
1058 | res: TYPE_; |
||
1059 | |||
1060 | BEGIN |
||
1061 | |||
1062 | IF typ = ARITH.tINTEGER THEN |
||
1063 | res := program.stTypes.tINTEGER |
||
1064 | ELSIF typ = ARITH.tREAL THEN |
||
1065 | res := program.stTypes.tREAL |
||
1066 | ELSIF typ = ARITH.tSET THEN |
||
1067 | res := program.stTypes.tSET |
||
1068 | ELSIF typ = ARITH.tBOOLEAN THEN |
||
1069 | res := program.stTypes.tBOOLEAN |
||
1070 | ELSIF typ = ARITH.tCHAR THEN |
||
1071 | res := program.stTypes.tCHAR |
||
1072 | ELSIF typ = ARITH.tWCHAR THEN |
||
1073 | res := program.stTypes.tWCHAR |
||
1074 | ELSIF typ = ARITH.tSTRING THEN |
||
1075 | res := program.stTypes.tSTRING |
||
1076 | ELSE |
||
1077 | res := NIL |
||
1078 | END; |
||
1079 | |||
1080 | ASSERT(res # NIL) |
||
1081 | |||
1082 | RETURN res |
||
1083 | END getType; |
||
1084 | |||
1085 | |||
1086 | PROCEDURE createSysUnit (program: PROGRAM); |
||
1087 | VAR |
||
1088 | ident: IDENT; |
||
1089 | unit: UNIT; |
||
1090 | |||
1091 | |||
1092 | PROCEDURE EnterProc (sys: UNIT; name: SCAN.LEXSTR; idtyp, proc: INTEGER); |
||
1093 | VAR |
||
1094 | ident: IDENT; |
||
1095 | BEGIN |
||
1096 | ident := addIdent(sys, SCAN.enterid(name), idtyp); |
||
1097 | ident.stproc := proc; |
||
1098 | ident.export := TRUE |
||
1099 | END EnterProc; |
||
1100 | |||
1101 | |||
1102 | BEGIN |
||
7693 | akron1 | 1103 | unit := newUnit(program, SCAN.enterid("$SYSTEM")); |
7597 | akron1 | 1104 | |
1105 | EnterProc(unit, "ADR", idSYSFUNC, sysADR); |
||
1106 | EnterProc(unit, "SIZE", idSYSFUNC, sysSIZE); |
||
1107 | EnterProc(unit, "SADR", idSYSFUNC, sysSADR); |
||
1108 | EnterProc(unit, "TYPEID", idSYSFUNC, sysTYPEID); |
||
1109 | |||
1110 | EnterProc(unit, "GET", idSYSPROC, sysGET); |
||
7693 | akron1 | 1111 | EnterProc(unit, "PUT8", idSYSPROC, sysPUT8); |
7597 | akron1 | 1112 | EnterProc(unit, "PUT", idSYSPROC, sysPUT); |
1113 | EnterProc(unit, "CODE", idSYSPROC, sysCODE); |
||
1114 | EnterProc(unit, "MOVE", idSYSPROC, sysMOVE); |
||
7693 | akron1 | 1115 | (* |
1116 | IF program.target.sys = mConst.Target_iMSP430 THEN |
||
1117 | EnterProc(unit, "NOP", idSYSPROC, sysNOP); |
||
1118 | EnterProc(unit, "EINT", idSYSPROC, sysEINT); |
||
1119 | EnterProc(unit, "DINT", idSYSPROC, sysDINT) |
||
1120 | END; |
||
1121 | *) |
||
1122 | IF program.target.sys # mConst.Target_iMSP430 THEN |
||
1123 | EnterProc(unit, "WSADR", idSYSFUNC, sysWSADR); |
||
1124 | EnterProc(unit, "INF", idSYSFUNC, sysINF); |
||
1125 | EnterProc(unit, "PUT32", idSYSPROC, sysPUT32); |
||
1126 | EnterProc(unit, "PUT16", idSYSPROC, sysPUT16); |
||
1127 | EnterProc(unit, "COPY", idSYSPROC, sysCOPY); |
||
7597 | akron1 | 1128 | |
7693 | akron1 | 1129 | ident := addIdent(unit, SCAN.enterid("CARD16"), idTYPE); |
1130 | ident.type := program.stTypes.tCARD16; |
||
1131 | ident.export := TRUE; |
||
7597 | akron1 | 1132 | |
7693 | akron1 | 1133 | ident := addIdent(unit, SCAN.enterid("CARD32"), idTYPE); |
1134 | ident.type := program.stTypes.tCARD32; |
||
1135 | ident.export := TRUE |
||
1136 | END; |
||
7597 | akron1 | 1137 | |
7693 | akron1 | 1138 | closeUnit(unit); |
7597 | akron1 | 1139 | |
1140 | program.sysunit := unit |
||
1141 | END createSysUnit; |
||
1142 | |||
1143 | |||
1144 | PROCEDURE DelUnused* (program: PROGRAM; DelImport: DELIMPORT); |
||
1145 | VAR |
||
7693 | akron1 | 1146 | proc: PROC; |
1147 | flag: BOOLEAN; |
||
7597 | akron1 | 1148 | |
1149 | |||
1150 | PROCEDURE process (proc: PROC); |
||
1151 | VAR |
||
1152 | used_proc: LISTS.ITEM; |
||
1153 | |||
1154 | BEGIN |
||
1155 | proc.processed := TRUE; |
||
1156 | |||
1157 | used_proc := proc.using.first; |
||
1158 | WHILE used_proc # NIL DO |
||
1159 | used_proc(USED_PROC).proc.used := TRUE; |
||
1160 | used_proc := used_proc.next |
||
1161 | END |
||
1162 | |||
1163 | END process; |
||
1164 | |||
1165 | |||
1166 | BEGIN |
||
1167 | |||
1168 | REPEAT |
||
1169 | flag := FALSE; |
||
1170 | proc := program.procs.first(PROC); |
||
1171 | |||
1172 | WHILE proc # NIL DO |
||
1173 | IF proc.used & ~proc.processed THEN |
||
1174 | process(proc); |
||
1175 | flag := TRUE |
||
1176 | END; |
||
1177 | proc := proc.next(PROC) |
||
1178 | END |
||
1179 | |||
1180 | UNTIL ~flag; |
||
1181 | |||
1182 | proc := program.procs.first(PROC); |
||
1183 | |||
1184 | WHILE proc # NIL DO |
||
1185 | IF ~proc.used THEN |
||
1186 | IF proc.import = NIL THEN |
||
7693 | akron1 | 1187 | IL.delete2(proc.enter, proc.leave) |
7597 | akron1 | 1188 | ELSE |
1189 | DelImport(proc.import) |
||
1190 | END |
||
1191 | END; |
||
1192 | proc := proc.next(PROC) |
||
1193 | END |
||
1194 | |||
1195 | END DelUnused; |
||
1196 | |||
1197 | |||
7693 | akron1 | 1198 | PROCEDURE create* (bit_depth, target: INTEGER; options: OPTIONS): PROGRAM; |
7597 | akron1 | 1199 | VAR |
1200 | program: PROGRAM; |
||
1201 | |||
1202 | BEGIN |
||
1203 | idents := C.create(); |
||
1204 | |||
7693 | akron1 | 1205 | UTILS.SetBitDepth(bit_depth); |
7597 | akron1 | 1206 | NEW(program); |
1207 | |||
1208 | program.target.bit_depth := bit_depth; |
||
1209 | program.target.word := bit_depth DIV 8; |
||
1210 | program.target.adr := bit_depth DIV 8; |
||
7693 | akron1 | 1211 | program.target.sys := target; |
1212 | program.target.options := options; |
||
7597 | akron1 | 1213 | |
7693 | akron1 | 1214 | CASE target OF |
1215 | |mConst.Target_iConsole, |
||
1216 | mConst.Target_iGUI, |
||
1217 | mConst.Target_iDLL: program.target.sysflags := {sf_windows, sf_stdcall, sf_ccall, sf_ccall16, sf_noalign} |
||
1218 | |||
1219 | |mConst.Target_iELF32, |
||
1220 | mConst.Target_iELFSO32: program.target.sysflags := {sf_linux, sf_stdcall, sf_ccall, sf_ccall16, sf_noalign} |
||
1221 | |||
1222 | |mConst.Target_iKolibri, |
||
1223 | mConst.Target_iObject: program.target.sysflags := {sf_stdcall, sf_ccall, sf_ccall16, sf_noalign} |
||
1224 | |||
1225 | |mConst.Target_iConsole64, |
||
1226 | mConst.Target_iGUI64, |
||
1227 | mConst.Target_iDLL64: program.target.sysflags := {sf_windows, sf_stdcall64, sf_win64, sf_systemv, sf_noalign} |
||
1228 | |||
1229 | |mConst.Target_iELF64, |
||
1230 | mConst.Target_iELFSO64: program.target.sysflags := {sf_linux, sf_stdcall64, sf_win64, sf_systemv, sf_noalign} |
||
1231 | |||
1232 | |mConst.Target_iMSP430: program.target.sysflags := {sf_code} |
||
1233 | END; |
||
1234 | |||
7597 | akron1 | 1235 | program.recCount := -1; |
1236 | program.bss := 0; |
||
1237 | |||
7693 | akron1 | 1238 | program.units := LISTS.create(NIL); |
7597 | akron1 | 1239 | program.types := LISTS.create(NIL); |
1240 | program.procs := LISTS.create(NIL); |
||
1241 | |||
1242 | program.stTypes.tINTEGER := enterType(program, tINTEGER, program.target.word, 0, NIL); |
||
1243 | program.stTypes.tBYTE := enterType(program, tBYTE, 1, 0, NIL); |
||
1244 | program.stTypes.tCHAR := enterType(program, tCHAR, 1, 0, NIL); |
||
1245 | program.stTypes.tSET := enterType(program, tSET, program.target.word, 0, NIL); |
||
1246 | program.stTypes.tBOOLEAN := enterType(program, tBOOLEAN, 1, 0, NIL); |
||
7693 | akron1 | 1247 | |
1248 | IF target # mConst.Target_iMSP430 THEN |
||
1249 | program.stTypes.tWCHAR := enterType(program, tWCHAR, 2, 0, NIL); |
||
1250 | program.stTypes.tREAL := enterType(program, tREAL, 8, 0, NIL); |
||
1251 | program.stTypes.tCARD16 := enterType(program, tCARD16, 2, 0, NIL); |
||
1252 | program.stTypes.tCARD32 := enterType(program, tCARD32, 4, 0, NIL) |
||
1253 | END; |
||
1254 | |||
1255 | program.stTypes.tSTRING := enterType(program, tSTRING, program.target.word, 0, NIL); |
||
1256 | program.stTypes.tNIL := enterType(program, tNIL, program.target.word, 0, NIL); |
||
1257 | |||
1258 | program.stTypes.tANYREC := enterType(program, tRECORD, 0, 0, NIL); |
||
7597 | akron1 | 1259 | program.stTypes.tANYREC.closed := TRUE; |
1260 | |||
1261 | program.stTypes.tINTEGER.align := program.stTypes.tINTEGER.size; |
||
1262 | program.stTypes.tBYTE.align := 1; |
||
1263 | program.stTypes.tCHAR.align := program.stTypes.tCHAR.size; |
||
1264 | program.stTypes.tSET.align := program.stTypes.tSET.size; |
||
1265 | program.stTypes.tBOOLEAN.align := program.stTypes.tBOOLEAN.size; |
||
1266 | |||
7693 | akron1 | 1267 | IF target # mConst.Target_iMSP430 THEN |
1268 | program.stTypes.tWCHAR.align := program.stTypes.tWCHAR.size; |
||
1269 | program.stTypes.tREAL.align := program.stTypes.tREAL.size; |
||
1270 | program.stTypes.tCARD16.align := program.stTypes.tCARD16.size; |
||
1271 | program.stTypes.tCARD32.align := program.stTypes.tCARD32.size |
||
1272 | END; |
||
7597 | akron1 | 1273 | |
1274 | program.dll := FALSE; |
||
1275 | program.obj := FALSE; |
||
1276 | |||
1277 | createSysUnit(program) |
||
1278 | |||
1279 | RETURN program |
||
1280 | END create; |
||
1281 | |||
1282 | |||
1283 | END PROG.=>> |