825 lines
33 KiB
C
Executable File
825 lines
33 KiB
C
Executable File
/* Pawn compiler
|
|
*
|
|
* Drafted after the Small-C compiler Version 2.01, originally created
|
|
* by Ron Cain, july 1980, and enhanced by James E. Hendrix.
|
|
*
|
|
* This version comes close to a complete rewrite.
|
|
*
|
|
* Copyright R. Cain, 1980
|
|
* Copyright J.E. Hendrix, 1982, 1983
|
|
* Copyright ITB CompuPhase, 1997-2005
|
|
*
|
|
* This software is provided "as-is", without any express or implied warranty.
|
|
* In no event will the authors be held liable for any damages arising from
|
|
* the use of this software.
|
|
*
|
|
* Permission is granted to anyone to use this software for any purpose,
|
|
* including commercial applications, and to alter it and redistribute it
|
|
* freely, subject to the following restrictions:
|
|
*
|
|
* 1. The origin of this software must not be misrepresented; you must not
|
|
* claim that you wrote the original software. If you use this software in
|
|
* a product, an acknowledgment in the product documentation would be
|
|
* appreciated but is not required.
|
|
* 2. Altered source versions must be plainly marked as such, and must not be
|
|
* misrepresented as being the original software.
|
|
* 3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
#ifndef SC_H_INCLUDED
|
|
#define SC_H_INCLUDED
|
|
#include <limits.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#if defined __BORLANDC__ && defined _Windows && !(defined __32BIT__ || defined __WIN32__)
|
|
/* setjmp() and longjmp() not well supported in 16-bit windows */
|
|
#include <windows.h>
|
|
typedef int jmp_buf[9];
|
|
#define setjmp(b) Catch(b)
|
|
#define longjmp(b,e) Throw(b,e)
|
|
#else
|
|
#include <setjmp.h>
|
|
#endif
|
|
#include "osdefs.h"
|
|
#include "amx.h"
|
|
|
|
#if PAWN_CELL_SIZE==64 && !defined _I64_MIN
|
|
#define _I64_MIN (-9223372036854775807ULL - 1)
|
|
#define _I64_MAX 9223372036854775807ULL
|
|
#endif
|
|
|
|
/* Note: the "cell" and "ucell" types are defined in AMX.H */
|
|
|
|
#define PUBLIC_CHAR '@' /* character that defines a function "public" */
|
|
#define CTRL_CHAR '^' /* default control character */
|
|
#define sCHARBITS 8 /* size of a packed character */
|
|
|
|
#define sDIMEN_MAX 3 /* maximum number of array dimensions */
|
|
#define sLINEMAX 4095 /* input line length (in characters) */
|
|
#define sCOMP_STACK 32 /* maximum nesting of #if .. #endif sections */
|
|
#define sDEF_LITMAX 500 /* initial size of the literal pool, in "cells" */
|
|
#define sDEF_AMXSTACK 4096 /* default stack size for AMX files */
|
|
#define PREPROC_TERM '\x7f'/* termination character for preprocessor expressions (the "DEL" code) */
|
|
#define sDEF_PREFIX "default.inc" /* default prefix filename */
|
|
|
|
#if defined WIN32 || defined __clang__
|
|
#define INVISIBLE
|
|
#else
|
|
#define INVISIBLE __attribute__((visibility("protected")))
|
|
#endif
|
|
|
|
typedef union {
|
|
void *pv; /* e.g. a name */
|
|
int i;
|
|
} stkitem; /* type of items stored on the compiler stack */
|
|
|
|
typedef struct s_arginfo { /* function argument info */
|
|
char name[sNAMEMAX+1];
|
|
char ident; /* iVARIABLE, iREFERENCE, iREFARRAY or iVARARGS */
|
|
char usage; /* uCONST */
|
|
int *tags; /* argument tag id. list */
|
|
int numtags; /* number of tags in the tag list */
|
|
int dim[sDIMEN_MAX];
|
|
int idxtag[sDIMEN_MAX];
|
|
int numdim; /* number of dimensions */
|
|
unsigned char hasdefault; /* bit0: is there a default value? bit6: "tagof"; bit7: "sizeof" */
|
|
union {
|
|
cell val; /* default value */
|
|
struct {
|
|
char *symname; /* name of another symbol */
|
|
short level; /* indirection level for that symbol */
|
|
} size; /* used for "sizeof" default value */
|
|
struct {
|
|
cell *data; /* values of default array */
|
|
int size; /* complete length of default array */
|
|
int arraysize; /* size to reserve on the heap */
|
|
cell addr; /* address of the default array in the data segment */
|
|
} array;
|
|
} defvalue; /* default value, or pointer to default array */
|
|
int defvalue_tag; /* tag of the default value */
|
|
} arginfo;
|
|
|
|
/* Equate table, tagname table, library table */
|
|
typedef struct s_constvalue {
|
|
struct s_constvalue *next;
|
|
char name[sNAMEMAX+1];
|
|
cell value;
|
|
short index; /* index level, for constants referring to array sizes/tags
|
|
* automaton id. for states and automatons */
|
|
} constvalue;
|
|
|
|
/* Symbol table format
|
|
*
|
|
* The symbol name read from the input file is stored in "name", the
|
|
* value of "addr" is written to the output file. The address in "addr"
|
|
* depends on the class of the symbol:
|
|
* global offset into the data segment
|
|
* local offset relative to the stack frame
|
|
* label generated hexadecimal number
|
|
* function offset into code segment
|
|
*/
|
|
typedef struct s_symbol {
|
|
struct s_symbol *next;
|
|
struct s_symbol *parent; /* hierarchical types (multi-dimensional arrays) */
|
|
char name[sNAMEMAX+1];
|
|
uint32_t hash; /* value derived from name, for quicker searching */
|
|
cell addr; /* address or offset (or value for constant, index for native function) */
|
|
cell codeaddr; /* address (in the code segment) where the symbol declaration starts */
|
|
char vclass; /* sLOCAL if "addr" refers to a local symbol */
|
|
char ident; /* see below for possible values */
|
|
char usage; /* see below for possible values */
|
|
char flags; /* see below for possible values */
|
|
int compound; /* compound level (braces nesting level) */
|
|
int tag; /* tagname id */
|
|
int fieldtag; /* enumeration fields, where a size is attached to the field */
|
|
union {
|
|
int declared; /* label: how many local variables are declared */
|
|
int idxtag; /* array & enum: tag of array indices or the enum item */
|
|
constvalue *lib; /* native function: library it is part of */
|
|
long stacksize; /* normal/public function: stack requirements */
|
|
} x; /* 'x' for 'extra' */
|
|
union {
|
|
arginfo *arglist; /* types of all parameters for functions */
|
|
constvalue *enumlist;/* list of names for the "root" of an enumeration */
|
|
struct {
|
|
cell length; /* arrays: length (size) */
|
|
short level; /* number of dimensions below this level */
|
|
} array;
|
|
} dim; /* for 'dimension', both functions and arrays */
|
|
constvalue *states; /* list of state function addresses */
|
|
int fnumber; /* static global variables: file number in which the declaration is visible */
|
|
int lnumber; /* line number (in the current source file) for the declaration */
|
|
struct s_symbol **refer; /* referrer list, functions that "use" this symbol */
|
|
int numrefers; /* number of entries in the referrer list */
|
|
char *documentation; /* optional documentation string */
|
|
} symbol;
|
|
|
|
|
|
/* Possible entries for "ident". These are used in the "symbol", "value"
|
|
* and arginfo structures. Not every constant is valid for every use.
|
|
* In an argument list, the list is terminated with a "zero" ident; labels
|
|
* cannot be passed as function arguments, so the value 0 is overloaded.
|
|
*/
|
|
#define iLABEL 0
|
|
#define iVARIABLE 1 /* cell that has an address and that can be fetched directly (lvalue) */
|
|
#define iREFERENCE 2 /* iVARIABLE, but must be dereferenced */
|
|
#define iARRAY 3
|
|
#define iREFARRAY 4 /* an array passed by reference (i.e. a pointer) */
|
|
#define iARRAYCELL 5 /* array element, cell that must be fetched indirectly */
|
|
#define iARRAYCHAR 6 /* array element, character from cell from array */
|
|
#define iEXPRESSION 7 /* expression result, has no address (rvalue) */
|
|
#define iCONSTEXPR 8 /* constant expression (or constant symbol) */
|
|
#define iFUNCTN 9
|
|
#define iREFFUNC 10
|
|
#define iVARARGS 11 /* function specified ... as argument(s) */
|
|
|
|
/* Possible entries for "usage"
|
|
*
|
|
* This byte is used as a serie of bits, the syntax is different for
|
|
* functions and other symbols:
|
|
*
|
|
* VARIABLE
|
|
* bits: 0 (uDEFINE) the variable is defined in the source file
|
|
* 1 (uREAD) the variable is "read" (accessed) in the source file
|
|
* 2 (uWRITTEN) the variable is altered (assigned a value)
|
|
* 3 (uCONST) the variable is constant (may not be assigned to)
|
|
* 4 (uPUBLIC) the variable is public
|
|
* 6 (uSTOCK) the variable is discardable (without warning)
|
|
*
|
|
* FUNCTION
|
|
* bits: 0 (uDEFINE) the function is defined ("implemented") in the source file
|
|
* 1 (uREAD) the function is invoked in the source file
|
|
* 2 (uRETVALUE) the function returns a value (or should return a value)
|
|
* 3 (uPROTOTYPED) the function was prototyped
|
|
* 4 (uPUBLIC) the function is public
|
|
* 5 (uNATIVE) the function is native
|
|
* 6 (uSTOCK) the function is discardable (without warning)
|
|
* 7 (uMISSING) the function is not implemented in this source file
|
|
*
|
|
* CONSTANT
|
|
* bits: 0 (uDEFINE) the symbol is defined in the source file
|
|
* 1 (uREAD) the constant is "read" (accessed) in the source file
|
|
* 2 (uWRITTEN) redundant, but may be set for constants passed by reference
|
|
* 3 (uPREDEF) the constant is pre-defined and should be kept between passes
|
|
* 5 (uENUMROOT) the constant is the "root" of an enumeration
|
|
* 6 (uENUMFIELD) the constant is a field in a named enumeration
|
|
*/
|
|
#define uDEFINE 0x01
|
|
#define uREAD 0x02
|
|
#define uWRITTEN 0x04
|
|
#define uRETVALUE 0x04 /* function returns (or should return) a value */
|
|
#define uCONST 0x08
|
|
#define uPROTOTYPED 0x08
|
|
#define uPREDEF 0x08 /* constant is pre-defined */
|
|
#define uPUBLIC 0x10
|
|
#define uNATIVE 0x20
|
|
#define uENUMROOT 0x20
|
|
#define uSTOCK 0x40
|
|
#define uENUMFIELD 0x40
|
|
#define uMISSING 0x80
|
|
/* uRETNONE is not stored in the "usage" field of a symbol. It is
|
|
* used during parsing a function, to detect a mix of "return;" and
|
|
* "return value;" in a few special cases.
|
|
*/
|
|
#define uRETNONE 0x10
|
|
|
|
#define flgDEPRECATED 0x01 /* symbol is deprecated (avoid use) */
|
|
|
|
#define uTAGOF 0x40 /* set in the "hasdefault" field of the arginfo struct */
|
|
#define uSIZEOF 0x80 /* set in the "hasdefault" field of the arginfo struct */
|
|
|
|
#define uMAINFUNC "main"
|
|
#define uENTRYFUNC "entry"
|
|
|
|
#define sGLOBAL 0 /* global/local variable/constant class */
|
|
#define sLOCAL 1
|
|
#define sSTATIC 2 /* global life, local scope */
|
|
|
|
typedef struct s_value {
|
|
symbol *sym; /* symbol in symbol table, NULL for (constant) expression */
|
|
cell constval; /* value of the constant expression (if ident==iCONSTEXPR)
|
|
* also used for the size of a literal array */
|
|
int tag; /* tagname id (of the expression) */
|
|
char forceuntag; /* whether expression is untagged using _: */
|
|
char ident; /* iCONSTEXPR, iVARIABLE, iARRAY, iARRAYCELL,
|
|
* iEXPRESSION or iREFERENCE */
|
|
char boolresult; /* boolean result for relational operators */
|
|
cell *arrayidx; /* last used array indices, for checking self assignment */
|
|
} value;
|
|
|
|
/* "while" statement queue (also used for "for" and "do - while" loops) */
|
|
enum {
|
|
wqBRK, /* used to restore stack for "break" */
|
|
wqCONT, /* used to restore stack for "continue" */
|
|
wqLOOP, /* loop start label number */
|
|
wqEXIT, /* loop exit label number (jump if false) */
|
|
/* --- */
|
|
wqSIZE /* "while queue" size */
|
|
};
|
|
#define wqTABSZ (24*wqSIZE) /* 24 nested loop statements */
|
|
|
|
enum {
|
|
statIDLE, /* not compiling yet */
|
|
statFIRST, /* first pass */
|
|
statWRITE, /* writing output */
|
|
statSKIP, /* skipping output */
|
|
};
|
|
|
|
typedef struct s_stringlist {
|
|
struct s_stringlist *next;
|
|
char *line;
|
|
} stringlist;
|
|
|
|
typedef struct s_stringpair {
|
|
struct s_stringpair *next;
|
|
char *first;
|
|
char *second;
|
|
int matchlength;
|
|
char flags;
|
|
char *documentation;
|
|
} stringpair;
|
|
|
|
/* macros for code generation */
|
|
#define opcodes(n) ((n)*sizeof(cell)) /* opcode size */
|
|
#define opargs(n) ((n)*sizeof(cell)) /* size of typical argument */
|
|
|
|
/* Tokens recognized by lex()
|
|
* Some of these constants are assigned as well to the variable "lastst"
|
|
*/
|
|
#define tFIRST 256 /* value of first multi-character operator */
|
|
#define tMIDDLE 280 /* value of last multi-character operator */
|
|
#define tLAST 325 /* value of last multi-character match-able token */
|
|
/* multi-character operators */
|
|
#define taMULT 256 /* *= */
|
|
#define taDIV 257 /* /= */
|
|
#define taMOD 258 /* %= */
|
|
#define taADD 259 /* += */
|
|
#define taSUB 260 /* -= */
|
|
#define taSHL 261 /* <<= */
|
|
#define taSHRU 262 /* >>>= */
|
|
#define taSHR 263 /* >>= */
|
|
#define taAND 264 /* &= */
|
|
#define taXOR 265 /* ^= */
|
|
#define taOR 266 /* |= */
|
|
#define tlOR 267 /* || */
|
|
#define tlAND 268 /* && */
|
|
#define tlEQ 269 /* == */
|
|
#define tlNE 270 /* != */
|
|
#define tlLE 271 /* <= */
|
|
#define tlGE 272 /* >= */
|
|
#define tSHL 273 /* << */
|
|
#define tSHRU 274 /* >>> */
|
|
#define tSHR 275 /* >> */
|
|
#define tINC 276 /* ++ */
|
|
#define tDEC 277 /* -- */
|
|
#define tELLIPS 278 /* ... */
|
|
#define tDBLDOT 279 /* .. */
|
|
#define tDBLCOLON 280 /* :: */
|
|
/* reserved words (statements) */
|
|
#define tASSERT 281
|
|
#define tBREAK 282
|
|
#define tCASE 283
|
|
#define tCHAR 284
|
|
#define tCONST 285
|
|
#define tCONTINUE 286
|
|
#define tDEFAULT 287
|
|
#define tDEFINED 288
|
|
#define tDO 289
|
|
#define tELSE 290
|
|
#define tENUM 291
|
|
#define tEXIT 292
|
|
#define tFOR 293
|
|
#define tFORWARD 294
|
|
#define tGOTO 295
|
|
#define tIF 296
|
|
#define tNATIVE 297
|
|
#define tNEW 298
|
|
#define tOPERATOR 299
|
|
#define tPUBLIC 300
|
|
#define tRETURN 301
|
|
#define tSIZEOF 302
|
|
#define tSLEEP 303
|
|
#define tSTATE 304
|
|
#define tSTATIC 305
|
|
#define tSTOCK 306
|
|
#define tSWITCH 307
|
|
#define tTAGOF 308
|
|
#define tWHILE 309
|
|
/* compiler directives */
|
|
#define tpASSERT 310 /* #assert */
|
|
#define tpDEFINE 311
|
|
#define tpELSE 312 /* #else */
|
|
#define tpELSEIF 313 /* #elseif */
|
|
#define tpEMIT 314
|
|
#define tpENDIF 315
|
|
#define tpENDINPUT 316
|
|
#define tpENDSCRPT 317
|
|
#define tpERROR 318
|
|
#define tpFILE 319
|
|
#define tpIF 320 /* #if */
|
|
#define tINCLUDE 321
|
|
#define tpLINE 322
|
|
#define tpPRAGMA 323
|
|
#define tpTRYINCLUDE 324
|
|
#define tpUNDEF 325
|
|
/* semicolon is a special case, because it can be optional */
|
|
#define tTERM 326 /* semicolon or newline */
|
|
#define tENDEXPR 327 /* forced end of expression */
|
|
/* other recognized tokens */
|
|
#define tNUMBER 328 /* integer number */
|
|
#define tRATIONAL 329 /* rational number */
|
|
#define tSYMBOL 330
|
|
#define tLABEL 331
|
|
#define tSTRING 332
|
|
#define tPENDING_STRING 333
|
|
#define tEXPR 334 /* for assigment to "lastst" only */
|
|
#define tEMPTYBLOCK 335 /* empty blocks for AM bug 4825 */
|
|
|
|
/* (reversed) evaluation of staging buffer */
|
|
#define sSTARTREORDER 0x01
|
|
#define sENDREORDER 0x02
|
|
#define sEXPRSTART 0x80 /* top bit set, rest is free */
|
|
#define sMAXARGS 127 /* relates to the bit pattern of sEXPRSTART */
|
|
|
|
#define sDOCSEP 0x01 /* to separate documentation comments between functions */
|
|
|
|
/* codes for ffabort() */
|
|
#define xEXIT 1 /* exit code in PRI */
|
|
#define xASSERTION 2 /* abort caused by failing assertion */
|
|
#define xSTACKERROR 3 /* stack/heap overflow */
|
|
#define xBOUNDSERROR 4 /* array index out of bounds */
|
|
#define xMEMACCESS 5 /* data access error */
|
|
#define xINVINSTR 6 /* invalid instruction */
|
|
#define xSTACKUNDERFLOW 7 /* stack underflow */
|
|
#define xHEAPUNDERFLOW 8 /* heap underflow */
|
|
#define xCALLBACKERR 9 /* no, or invalid, callback */
|
|
#define xSLEEP 12 /* sleep, exit code in PRI, tag in ALT */
|
|
|
|
/* Miscellaneous */
|
|
#if !defined TRUE
|
|
#define FALSE 0
|
|
#define TRUE 1
|
|
#endif
|
|
#define sIN_CSEG 1 /* if parsing CODE */
|
|
#define sIN_DSEG 2 /* if parsing DATA */
|
|
#define sCHKBOUNDS 1 /* bit position in "debug" variable: check bounds */
|
|
#define sSYMBOLIC 2 /* bit position in "debug" variable: symbolic info */
|
|
#define sNOOPTIMIZE 4 /* bit position in "debug" variable: no optimization */
|
|
#define sRESET 0 /* reset error flag */
|
|
#define sFORCESET 1 /* force error flag on */
|
|
#define sEXPRMARK 2 /* mark start of expression */
|
|
#define sEXPRRELEASE 3 /* mark end of expression */
|
|
#define sSETLINE 4 /* set line number for the error */
|
|
#define sSETFILE 5 /* set file number for the error */
|
|
|
|
typedef enum s_regid {
|
|
sPRI, /* indicates the primary register */
|
|
sALT, /* indicates the secundary register */
|
|
} regid;
|
|
|
|
typedef enum s_optmark {
|
|
sEXPR, /* end of expression (for expressions that form a statement) */
|
|
sPARM, /* end of parameter (in a function parameter list) */
|
|
sLDECL, /* start of local declaration (variable) */
|
|
} optmark;
|
|
|
|
#if INT_MAX<0x8000u
|
|
#define PUBLICTAG 0x8000u
|
|
#define FIXEDTAG 0x4000u
|
|
#else
|
|
#define PUBLICTAG 0x80000000Lu
|
|
#define FIXEDTAG 0x40000000Lu
|
|
#endif
|
|
#define TAGMASK (~PUBLICTAG)
|
|
|
|
|
|
/* interface functions */
|
|
#if defined __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* Functions you call from the "driver" program
|
|
*/
|
|
int pc_compile(int argc, char **argv);
|
|
int pc_addconstant(char *name,cell value,int tag);
|
|
int pc_addtag(char *name);
|
|
int pc_enablewarning(int number,int enable);
|
|
|
|
/*
|
|
* Functions called from the compiler (to be implemented by you)
|
|
*/
|
|
|
|
/* general console output */
|
|
#if PAWN_CELL_SIZE==32
|
|
#if defined __WIN32__ || defined _WIN32 || defined WIN32
|
|
__declspec (dllexport)
|
|
int pc_printf(const char *message,...);
|
|
#else
|
|
extern int __attribute__((visibility("default"))) pc_printf(const char *message,...);
|
|
#endif
|
|
#else
|
|
int pc_printf(const char *message, ...) INVISIBLE;
|
|
#endif
|
|
|
|
/* error report function */
|
|
int pc_error(int number,char *message,char *filename,int firstline,int lastline,va_list argptr);
|
|
|
|
/* input from source file */
|
|
void *pc_opensrc(char *filename); /* reading only */
|
|
void *pc_createsrc(char *filename);
|
|
void pc_closesrc(void *handle); /* never delete */
|
|
void pc_resetsrc(void *handle,void *position); /* reset to a position marked earlier */
|
|
char *pc_readsrc(void *handle,unsigned char *target,int maxchars);
|
|
int pc_writesrc(void *handle,unsigned char *source);
|
|
void *pc_getpossrc(void *handle); /* mark the current position */
|
|
int pc_eofsrc(void *handle);
|
|
|
|
/* output to intermediate (.ASM) file */
|
|
void *pc_openasm(char *filename); /* read/write */
|
|
void pc_closeasm(void *handle,int deletefile);
|
|
void pc_resetasm(void *handle);
|
|
int pc_writeasm(void *handle,char *str);
|
|
char *pc_readasm(void *handle,char *target,int maxchars);
|
|
|
|
/* output to binary (.AMX) file */
|
|
void *pc_openbin(char *filename);
|
|
void pc_closebin(void *handle,int deletefile);
|
|
void pc_resetbin(void *handle,long offset);
|
|
int pc_writebin(void *handle,void *buffer,int size);
|
|
long pc_lengthbin(void *handle); /* return the length of the file */
|
|
|
|
#if defined __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
/* by default, functions and variables used in throughout the compiler
|
|
* files are "external"
|
|
*/
|
|
#if !defined SC_FUNC
|
|
#define SC_FUNC
|
|
#endif
|
|
#if !defined SC_VDECL
|
|
#define SC_VDECL extern
|
|
#endif
|
|
#if !defined SC_VDEFINE
|
|
#define SC_VDEFINE
|
|
#endif
|
|
|
|
/* function prototypes in SC1.C */
|
|
SC_FUNC void set_extension(char *filename,char *extension,int force);
|
|
SC_FUNC symbol *fetchfunc(char *name,int tag);
|
|
SC_FUNC char *operator_symname(char *symname,char *opername,int tag1,int tag2,int numtags,int resulttag);
|
|
SC_FUNC char *funcdisplayname(char *dest,char *funcname);
|
|
SC_FUNC int constexpr(cell *val,int *tag,symbol **symptr);
|
|
SC_FUNC constvalue *append_constval(constvalue *table,const char *name,cell val,short index);
|
|
SC_FUNC constvalue *find_constval(constvalue *table,char *name,short index);
|
|
SC_FUNC void delete_consttable(constvalue *table);
|
|
SC_FUNC symbol *add_constant(char *name,cell val,int vclass,int tag);
|
|
SC_FUNC void exporttag(int tag);
|
|
SC_FUNC void sc_attachdocumentation(symbol *sym);
|
|
SC_FUNC int get_actual_compound(symbol *sym);
|
|
|
|
/* function prototypes in SC2.C */
|
|
#define PUSHSTK_P(v) { stkitem s_; s_.pv=(v); pushstk(s_); }
|
|
#define PUSHSTK_I(v) { stkitem s_; s_.i=(v); pushstk(s_); }
|
|
#define POPSTK_P() (popstk().pv)
|
|
#define POPSTK_I() (popstk().i)
|
|
SC_FUNC void pushstk(stkitem val);
|
|
SC_FUNC stkitem popstk(void);
|
|
SC_FUNC void clearstk(void);
|
|
SC_FUNC int plungequalifiedfile(char *name); /* explicit path included */
|
|
SC_FUNC int plungefile(char *name,int try_currentpath,int try_includepaths); /* search through "include" paths */
|
|
SC_FUNC void preprocess(void);
|
|
SC_FUNC void lexinit(void);
|
|
SC_FUNC int lex(cell *lexvalue,char **lexsym);
|
|
SC_FUNC void lexpush(void);
|
|
SC_FUNC void lexclr(int clreol);
|
|
SC_FUNC int matchtoken(int token);
|
|
SC_FUNC int tokeninfo(cell *val,char **str);
|
|
SC_FUNC int needtoken(int token);
|
|
SC_FUNC void litadd(cell value);
|
|
SC_FUNC void litinsert(cell value,int pos);
|
|
SC_FUNC int alphanum(char c);
|
|
SC_FUNC int ishex(char c);
|
|
SC_FUNC void delete_symbol(symbol *root,symbol *sym);
|
|
SC_FUNC void delete_symbols(symbol *root,int level,int del_labels,int delete_functions);
|
|
SC_FUNC int refer_symbol(symbol *entry,symbol *bywhom);
|
|
SC_FUNC void markusage(symbol *sym,int usage);
|
|
SC_FUNC symbol *findglb(const char *name);
|
|
SC_FUNC symbol *findloc(const char *name);
|
|
SC_FUNC symbol *findconst(const char *name);
|
|
SC_FUNC symbol *finddepend(const symbol *parent);
|
|
SC_FUNC symbol *addsym(const char *name,cell addr,int ident,int vclass,int tag,
|
|
int usage);
|
|
SC_FUNC symbol *addvariable(const char *name,cell addr,int ident,int vclass,int tag,
|
|
int dim[],int numdim,int idxtag[]);
|
|
SC_FUNC int getlabel(void);
|
|
SC_FUNC char *itoh(ucell val);
|
|
|
|
/* function prototypes in SC3.C */
|
|
SC_FUNC int check_userop(void (*oper)(void),int tag1,int tag2,int numparam,
|
|
value *lval,int *resulttag);
|
|
SC_FUNC int matchtag(int formaltag,int actualtag,int allowcoerce);
|
|
SC_FUNC int expression(cell *val,int *tag,symbol **symptr,int chkfuncresult);
|
|
|
|
/* function prototypes in SC4.C */
|
|
SC_FUNC void writeleader(symbol *root);
|
|
SC_FUNC void writetrailer(void);
|
|
SC_FUNC void begcseg(void);
|
|
SC_FUNC void begdseg(void);
|
|
SC_FUNC void setline(int chkbounds);
|
|
SC_FUNC void setfiledirect(char *name);
|
|
SC_FUNC void setlinedirect(int line);
|
|
SC_FUNC void setlabel(int index);
|
|
SC_FUNC void markexpr(optmark type,const char *name,cell offset);
|
|
SC_FUNC void startfunc(char *fname);
|
|
SC_FUNC void endfunc(void);
|
|
SC_FUNC void alignframe(int numbytes);
|
|
SC_FUNC void rvalue(value *lval);
|
|
SC_FUNC void address(symbol *ptr,regid reg);
|
|
SC_FUNC void store(value *lval);
|
|
SC_FUNC void storereg(cell address,regid reg);
|
|
SC_FUNC void memcopy(cell size);
|
|
SC_FUNC void copyarray(symbol *sym,cell size);
|
|
SC_FUNC void fillarray(symbol *sym,cell size,cell value);
|
|
SC_FUNC void ldconst(cell val,regid reg);
|
|
SC_FUNC void moveto1(void);
|
|
SC_FUNC void pushreg(regid reg);
|
|
SC_FUNC void pushval(cell val);
|
|
SC_FUNC void popreg(regid reg);
|
|
SC_FUNC void swap1(void);
|
|
SC_FUNC void ffswitch(int label);
|
|
SC_FUNC void ffcase(cell value,char *labelname,int newtable);
|
|
SC_FUNC void ffcall(symbol *sym,const char *label,int numargs);
|
|
SC_FUNC void ffret(void);
|
|
SC_FUNC void ffabort(int reason);
|
|
SC_FUNC void ffbounds(cell size);
|
|
SC_FUNC void jumplabel(int number);
|
|
SC_FUNC void defstorage(void);
|
|
SC_FUNC void modstk(int delta);
|
|
SC_FUNC void setstk(cell value);
|
|
SC_FUNC void modheap(int delta);
|
|
SC_FUNC void setheap_pri(void);
|
|
SC_FUNC void setheap(cell value);
|
|
SC_FUNC void cell2addr(void);
|
|
SC_FUNC void cell2addr_alt(void);
|
|
SC_FUNC void addr2cell(void);
|
|
SC_FUNC void char2addr(void);
|
|
SC_FUNC void charalign(void);
|
|
SC_FUNC void addconst(cell value);
|
|
SC_FUNC void move_alt(void);
|
|
SC_FUNC void load_hidden_arg();
|
|
|
|
/* Code generation functions for arithmetic operators.
|
|
*
|
|
* Syntax: o[u|s|b]_name
|
|
* | | | +--- name of operator
|
|
* | | +----- underscore
|
|
* | +--------- "u"nsigned operator, "s"igned operator or "b"oth
|
|
* +------------- "o"perator
|
|
*/
|
|
SC_FUNC void os_mult(void); /* multiplication (signed) */
|
|
SC_FUNC void os_div(void); /* division (signed) */
|
|
SC_FUNC void os_mod(void); /* modulus (signed) */
|
|
SC_FUNC void ob_add(void); /* addition */
|
|
SC_FUNC void ob_sub(void); /* subtraction */
|
|
SC_FUNC void ob_sal(void); /* shift left (arithmetic) */
|
|
SC_FUNC void os_sar(void); /* shift right (arithmetic, signed) */
|
|
SC_FUNC void ou_sar(void); /* shift right (logical, unsigned) */
|
|
SC_FUNC void ob_or(void); /* bitwise or */
|
|
SC_FUNC void ob_xor(void); /* bitwise xor */
|
|
SC_FUNC void ob_and(void); /* bitwise and */
|
|
SC_FUNC void ob_eq(void); /* equality */
|
|
SC_FUNC void ob_ne(void); /* inequality */
|
|
SC_FUNC void relop_prefix(void);
|
|
SC_FUNC void relop_suffix(void);
|
|
SC_FUNC void os_le(void); /* less or equal (signed) */
|
|
SC_FUNC void os_ge(void); /* greater or equal (signed) */
|
|
SC_FUNC void os_lt(void); /* less (signed) */
|
|
SC_FUNC void os_gt(void); /* greater (signed) */
|
|
|
|
SC_FUNC void lneg(void);
|
|
SC_FUNC void neg(void);
|
|
SC_FUNC void invert(void);
|
|
SC_FUNC void nooperation(void);
|
|
SC_FUNC void inc(value *lval);
|
|
SC_FUNC void dec(value *lval);
|
|
SC_FUNC void jmp_ne0(int number);
|
|
SC_FUNC void jmp_eq0(int number);
|
|
SC_FUNC void outval(cell val,int newline);
|
|
|
|
/* function prototypes in SC5.C */
|
|
SC_FUNC int error(int number,...) INVISIBLE;
|
|
SC_FUNC void errorset(int code, int line);
|
|
|
|
/* function prototypes in SC6.C */
|
|
SC_FUNC int assemble(FILE *fout,FILE *fin);
|
|
|
|
/* function prototypes in SC7.C */
|
|
SC_FUNC void stgbuffer_cleanup(void);
|
|
SC_FUNC void stgmark(char mark);
|
|
SC_FUNC void stgwrite(const char *st);
|
|
SC_FUNC void stgout(int index);
|
|
SC_FUNC void stgdel(int index,cell code_index);
|
|
SC_FUNC int stgget(int *index,cell *code_index);
|
|
SC_FUNC void stgset(int onoff);
|
|
SC_FUNC int phopt_init(void);
|
|
SC_FUNC int phopt_cleanup(void);
|
|
|
|
/* function prototypes in SCLIST.C */
|
|
SC_FUNC char* duplicatestring(const char* sourcestring);
|
|
SC_FUNC stringpair *insert_alias(char *name,char *alias);
|
|
SC_FUNC stringpair *find_alias(char *name);
|
|
SC_FUNC int lookup_alias(char *target,char *name);
|
|
SC_FUNC void delete_aliastable(void);
|
|
SC_FUNC stringlist *insert_path(char *path);
|
|
SC_FUNC char *get_path(int index);
|
|
SC_FUNC void delete_pathtable(void);
|
|
SC_FUNC stringpair *insert_subst(char *pattern,char *substitution,int prefixlen);
|
|
SC_FUNC int get_subst(int index,char **pattern,char **substitution);
|
|
SC_FUNC stringpair *find_subst(char *name,int length);
|
|
SC_FUNC int delete_subst(char *name,int length);
|
|
SC_FUNC void delete_substtable(void);
|
|
SC_FUNC stringlist *insert_sourcefile(char *string);
|
|
SC_FUNC char *get_sourcefile(int index);
|
|
SC_FUNC void delete_sourcefiletable(void);
|
|
SC_FUNC stringlist *insert_inputfile(char *string);
|
|
SC_FUNC char *get_inputfile(int index);
|
|
SC_FUNC void delete_inputfiletable(void);
|
|
SC_FUNC stringlist *insert_docstring(char *string);
|
|
SC_FUNC char *get_docstring(int index);
|
|
SC_FUNC void delete_docstring(int index);
|
|
SC_FUNC void delete_docstringtable(void);
|
|
SC_FUNC stringlist *insert_autolist(char *string);
|
|
SC_FUNC char *get_autolist(int index);
|
|
SC_FUNC void delete_autolisttable(void);
|
|
SC_FUNC stringlist *insert_dbgfile(const char *filename);
|
|
SC_FUNC stringlist *insert_dbgline(int linenr);
|
|
SC_FUNC stringlist *insert_dbgsymbol(symbol *sym);
|
|
SC_FUNC char *get_dbgstring(int index);
|
|
SC_FUNC void delete_dbgstringtable(void);
|
|
|
|
/* function prototypes in SCMEMFILE.C */
|
|
#if !defined tMEMFILE
|
|
typedef unsigned char MEMFILE;
|
|
#define tMEMFILE 1
|
|
#endif
|
|
MEMFILE *mfcreate(char *filename);
|
|
void mfclose(MEMFILE *mf);
|
|
int mfdump(MEMFILE *mf);
|
|
long mflength(MEMFILE *mf);
|
|
long mfseek(MEMFILE *mf,long offset,int whence);
|
|
unsigned int mfwrite(MEMFILE *mf,unsigned char *buffer,unsigned int size);
|
|
unsigned int mfread(MEMFILE *mf,unsigned char *buffer,unsigned int size);
|
|
char *mfgets(MEMFILE *mf,char *string,unsigned int size);
|
|
int mfputs(MEMFILE *mf,char *string);
|
|
|
|
/* function prototypes in SCI18N.C */
|
|
#define MAXCODEPAGE 12
|
|
SC_FUNC int cp_path(const char *root,const char *directory);
|
|
SC_FUNC int cp_set(const char *name);
|
|
SC_FUNC cell cp_translate(const unsigned char *string,const unsigned char **endptr);
|
|
SC_FUNC cell get_utf8_char(const unsigned char *string,const unsigned char **endptr);
|
|
SC_FUNC int scan_utf8(FILE *fp,const char *filename);
|
|
|
|
/* function prototypes in SCSTATE.C */
|
|
SC_FUNC constvalue *automaton_add(const char *name);
|
|
SC_FUNC constvalue *automaton_find(const char *name);
|
|
SC_FUNC constvalue *automaton_findid(int id);
|
|
SC_FUNC constvalue *state_add(const char *name,int fsa_id);
|
|
SC_FUNC constvalue *state_find(const char *name,int fsa_id);
|
|
SC_FUNC constvalue *state_findid(int id);
|
|
SC_FUNC void state_buildlist(int **list,int *listsize,int *count,int stateid);
|
|
SC_FUNC int state_addlist(int *list,int count,int fsa_id);
|
|
SC_FUNC void state_deletetable(void);
|
|
SC_FUNC int state_getfsa(int listid);
|
|
SC_FUNC int state_count(int listid);
|
|
SC_FUNC int state_inlist(int listid,int state);
|
|
SC_FUNC int state_listitem(int listid,int index);
|
|
SC_FUNC void state_conflict(symbol *root);
|
|
|
|
/* external variables (defined in scvars.c) */
|
|
#if !defined SC_SKIP_VDECL
|
|
typedef struct HashTable HashTable;
|
|
SC_VDECL struct HashTable *sp_Globals;
|
|
SC_VDECL symbol loctab; /* local symbol table */
|
|
SC_VDECL symbol glbtab; /* global symbol table */
|
|
SC_VDECL cell *litq; /* the literal queue */
|
|
SC_VDECL unsigned char pline[]; /* the line read from the input file */
|
|
SC_VDECL const unsigned char *lptr;/* points to the current position in "pline" */
|
|
SC_VDECL constvalue tagname_tab;/* tagname table */
|
|
SC_VDECL constvalue libname_tab;/* library table (#pragma library "..." syntax) */
|
|
SC_VDECL constvalue *curlibrary;/* current library */
|
|
SC_VDECL int pc_addlibtable; /* is the library table added to the AMX file? */
|
|
SC_VDECL symbol *curfunc; /* pointer to current function */
|
|
SC_VDECL char *inpfname; /* name of the file currently read from */
|
|
SC_VDECL char outfname[]; /* intermediate (assembler) file name */
|
|
SC_VDECL char binfname[]; /* binary file name */
|
|
SC_VDECL char errfname[]; /* error file name */
|
|
SC_VDECL char sc_ctrlchar; /* the control character (or escape character) */
|
|
SC_VDECL char sc_ctrlchar_org;/* the default control character */
|
|
SC_VDECL int litidx; /* index to literal table */
|
|
SC_VDECL int litmax; /* current size of the literal table */
|
|
SC_VDECL int stgidx; /* index to the staging buffer */
|
|
SC_VDECL int sc_labnum; /* number of (internal) labels */
|
|
SC_VDECL int staging; /* true if staging output */
|
|
SC_VDECL cell declared; /* number of local cells declared */
|
|
SC_VDECL cell glb_declared; /* number of global cells declared */
|
|
SC_VDECL cell code_idx; /* number of bytes with generated code */
|
|
SC_VDECL int ntv_funcid; /* incremental number of native function */
|
|
SC_VDECL int errnum; /* number of errors */
|
|
SC_VDECL int warnnum; /* number of warnings */
|
|
SC_VDECL int sc_debug; /* debug/optimization options (bit field) */
|
|
SC_VDECL int sc_packstr; /* strings are packed by default? */
|
|
SC_VDECL int sc_asmfile; /* create .ASM file? */
|
|
SC_VDECL int sc_listing; /* create .LST file? */
|
|
SC_VDECL int sc_compress; /* compress bytecode? */
|
|
SC_VDECL int sc_needsemicolon;/* semicolon required to terminate expressions? */
|
|
SC_VDECL int sc_dataalign; /* data alignment value */
|
|
SC_VDECL int sc_alignnext; /* must frame of the next function be aligned? */
|
|
SC_VDECL int pc_docexpr; /* must expression be attached to documentation comment? */
|
|
SC_VDECL int sc_showincludes; /* show include files? */
|
|
SC_VDECL int curseg; /* 1 if currently parsing CODE, 2 if parsing DATA */
|
|
SC_VDECL cell sc_stksize; /* stack size */
|
|
SC_VDECL cell sc_amxlimit; /* abstract machine size limit */
|
|
SC_VDECL int freading; /* is there an input file ready for reading? */
|
|
SC_VDECL int fline; /* the line number in the current file */
|
|
SC_VDECL short fnumber; /* number of files in the input file table */
|
|
SC_VDECL short fcurrent; /* current file being processed */
|
|
SC_VDECL short sc_intest; /* true if inside a test */
|
|
SC_VDECL int sideeffect; /* true if an expression causes a side-effect */
|
|
SC_VDECL int stmtindent; /* current indent of the statement */
|
|
SC_VDECL int indent_nowarn; /* skip warning "217 loose indentation" */
|
|
SC_VDECL int sc_tabsize; /* number of spaces that a TAB represents */
|
|
SC_VDECL short sc_allowtags; /* allow/detect tagnames in lex() */
|
|
SC_VDECL int sc_status; /* read/write status */
|
|
SC_VDECL int sc_rationaltag; /* tag for rational numbers */
|
|
SC_VDECL int rational_digits; /* number of fractional digits */
|
|
SC_VDECL int sc_allowproccall;/* allow/detect tagnames in lex() */
|
|
SC_VDECL short sc_is_utf8; /* is this source file in UTF-8 encoding */
|
|
SC_VDECL char *pc_deprecate; /* if non-NULL, mark next declaration as deprecated */
|
|
SC_VDECL int sc_warnings_are_errors;
|
|
|
|
SC_VDECL constvalue sc_automaton_tab; /* automaton table */
|
|
SC_VDECL constvalue sc_state_tab; /* state table */
|
|
|
|
SC_VDECL int pc_anytag;
|
|
|
|
SC_VDECL FILE *inpf; /* file read from (source or include) */
|
|
SC_VDECL FILE *inpf_org; /* main source file */
|
|
SC_VDECL FILE *outf; /* file written to */
|
|
|
|
SC_VDECL jmp_buf errbuf; /* target of longjmp() on a fatal error */
|
|
|
|
SC_VDECL SC_VDEFINE char sLiteralQueueDisabled;
|
|
|
|
#if !defined SC_LIGHT
|
|
SC_VDECL int sc_makereport; /* generate a cross-reference report */
|
|
#endif
|
|
|
|
#endif /* SC_SKIP_VDECL */
|
|
|
|
#endif /* SC_H_INCLUDED */
|