mirror of https://github.com/RevCurtisP/C02.git
42 lines
2.1 KiB
C
42 lines
2.1 KiB
C
/******************************************************
|
|
* C02 Label Parsing, Generation, and Lookup Routines *
|
|
******************************************************/
|
|
|
|
char labnam[MAXLAB+1][LABLEN+1]; //Program Label Names
|
|
int labcnt; //Number of Program Labels
|
|
int labidx; //Index into labnam[]
|
|
|
|
char curlbl[LBLLEN+1]; //Most recently generated label
|
|
char cmplbl[LBLLEN+1]; //Label for Comparison
|
|
char cndlbl[LBLLEN+1]; //Label for Conditional Code
|
|
char endlbl[LBLLEN+1]; //End Label
|
|
char forlbl[LBLLEN+1]; //For Loop Label
|
|
char loplbl[LBLLEN+1]; //Skip Increment Label
|
|
char skplbl[LBLLEN+1]; //Skip Increment Label
|
|
char tmplbl[LBLLEN+1]; //Temporary Label
|
|
char lblnam[MAXLBL+1][LBLLEN+1]; //Label Name Table
|
|
int lbltyp[MAXLBL+1]; //Label Type
|
|
int lblblk[MAXLBL+1]; //Label Ends Program Block
|
|
int lblcnt; //Number of Labels in stack
|
|
int lblnxt; //Sequence of next label to be generated
|
|
char lbltmp[LBLLEN+1]; //Label Temporary Storage
|
|
|
|
enum ltypes {LTNONE, LTIF, LTELSE, LTLOOP, LTEND, LTDO, LTDWHL, LTSLCT, LTCASE, LTFUNC}; //Label Types
|
|
enum lflags {LFNONE, LFBGN, LFEND}; //Label Flag Types
|
|
|
|
void addlab(char *name); //Add Program Label
|
|
int fndlab(char *name); //Find Program Label
|
|
void prslab(); //Parse Program Label
|
|
void loglab(void); //Print Program Label Table
|
|
|
|
void chklbl(char* lbname); //Check Label Contents
|
|
int lstlbl(int lbflag); //Find Last Label of Specified Types *
|
|
void newlbl(char* lbname); //Generate New Block Label
|
|
int poplbl(); //Pop Last Label and Emit on Next Line
|
|
void pshlbl(int lbtype, char* lbname); //Push Label onto Stack
|
|
void reqlbl(char* lbname); //Require Label
|
|
void setblk(int blkflg); //Set Block Flag for Last Label
|
|
void setlbl(char *lblset); //Emit word as Label on Next Line
|
|
int toplbl(char *rtlbl); //Get Top Label and Return Type
|
|
|