ref: 7b85dc85c01282002571b52f207747da080c2802
dir: /cc2/cc2.h/
#define SIGNF 1 #define INTF 2 #define NONE 0 #define AUTO 'A' #define REG 'R' #define MEM 'T' #define PAR 'P' #define CONST '#' #define INDEX 'I' #define LABEL 'L' #define OADD '+' #define OSUB '-' #define OASSIG ':' #define OINC ';' #define OMOD '%' #define ODIV '/' #define OSHL 'l' #define OSHR 'r' #define OBAND '&' #define OBOR '|' #define OBXOR '^' #define OPTR '@' #define OADDR 'a' #define OLT '<' #define OGT '>' #define OGE ']' #define OLE '[' #define OEQ '=' #define ONE '!' #define OOR 'o' #define OAND 'y' #define OCAST 'c' #define ONEG '_' #define OCPL '~' #define OCOMMA ',' #define ORET 'y' #define ADDABLE 10 typedef struct symbol Symbol; typedef struct node Node; typedef struct inst Inst; typedef struct addr Addr; typedef struct type Type; struct type { unsigned short size; uint8_t align; char letter; uint8_t flags; }; struct symbol { unsigned short id; char *name; char kind; bool public : 1; bool extrn : 1; bool index : 1; union { /* TODO: Admit inmediate of other type */ TINT imm; struct { Type type; char sclass; short off; } v; Inst *pc; struct { short locals; short params; Node **body; } f; } u; }; struct node { uint8_t op; uint8_t subop; Type type; uint8_t complex; uint8_t addable; uint8_t reg; Symbol *sym; bool used : 1; struct node *left, *right; }; struct addr { char kind; union { uint8_t reg; TINT i; Symbol *sym; } u; }; struct inst { uint8_t op; Addr from, to; Symbol *label; Inst *next, *prev; }; enum nerrors { EINTNUM, /* too much internal identifiers */ EEXTNUM, /* too much external identifiers */ EPARNUM, /* too much parameters */ ENODEOV, /* node overflow */ ESTACKO, /* stack overflow */ ESTACKU, /* stack underflow */ EEXPROV, /* expression overflow */ ETYPERR, /* incorrect type in expression */ EEXPBAL, /* expression not balanced */ ESYNTAX, /* syntax error */ ELNLINE, /* line too long */ EFERROR, /* error reading from file:%s*/ ENUMERR }; enum { LDW, LDL, LDH, MOV, LDI, ADD, PUSH, POP, RET, NOP, INC, SUB, DEC, JP, AND, OR, XOR, CPL, NEG }; enum { A = 1, B, C, D, E, H, L, IYL, IYH, NREGS, AF = NREGS, HL, DE, BC, IY, NPAIRS, SP = NPAIRS, IX }; extern Symbol *curfun; extern Inst *prog, *pc; /* main.c */ extern void error(unsigned nerror, ...); /* cgen.c */ extern void addable(void); extern void generate(void); extern void apply(Node *(*fun)(Node *)); /* parser.c */ extern void parse(void); extern void prtree(Node *np); /* code.c */ extern void code(uint8_t op, Node *to, Node *from); extern void inscode(uint8_t op, Addr *to, Addr *from); extern void writeout(void); extern void delcode(void); /* optm.c */ extern void optimize(void); extern Node *imm(TINT i); /* peep.c */ extern void peephole(void);