Release calc version 2.10.2t30

func.h

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1993 David I. Bell
+ * Permission is granted to use, distribute, or modify this source,
+ * provided that this copyright notice remains intact.
+ */
+
+
+#ifndef	FUNC_H
+#define	FUNC_H
+
+#include "calc.h"
+#include "label.h"
+
+
+/*
+ * Structure of a function.
+ * The f_opcodes array is actually of variable size.
+ */
+typedef struct func FUNC;
+struct func {
+	FUNC *f_next;			/* next function in list */
+	unsigned long f_opcodecount;	/* size of opcode array */
+	unsigned int f_localcount;	/* number of local variables */
+	unsigned int f_paramcount;	/* max number of parameters */
+	char *f_name;			/* function name */
+	VALUE f_savedvalue;		/* saved value of last expression */
+	unsigned long f_opcodes[1];	/* array of opcodes (variable length) */
+};
+
+
+/*
+ * Amount of space needed to allocate a function of n opcodes.
+ */
+#define funcsize(n) (sizeof(FUNC) + (n) * sizeof(long))
+
+
+/*
+ * Size of a character pointer rounded up to a number of opcodes.
+ */
+#define PTR_SIZE ((sizeof(char *) + sizeof(long) - 1) / sizeof(long))
+
+
+/*
+ * The current function being compiled.
+ */
+extern FUNC *curfunc;
+
+
+/*
+ * Functions to handle functions.
+ */
+extern FUNC *findfunc(long index);
+extern char *namefunc(long index);
+extern BOOL evaluate(BOOL nestflag);
+extern long adduserfunc(char *name);
+extern void beginfunc(char *name, BOOL newflag);
+extern int builtinopcode(long index);
+extern char *builtinname(long index);
+extern int dumpop(unsigned long *pc);
+extern void addop(long op);
+extern void endfunc(void);
+extern void addopone(long op, long arg);
+extern void addoptwo(long op, long arg1, long arg2);
+extern void addoplabel(long op, LABEL *label);
+extern void addopptr(long op, char *ptr);
+extern void writeindexop(void);
+extern void showbuiltins(void);
+extern int getbuiltinfunc(char *name);
+extern void builtincheck(long index, int count);
+extern void addopfunction(long op, long index, int count);
+extern void showfunctions(void);
+extern void initfunctions(void);
+extern void clearopt(void);
+extern void updateoldvalue(FUNC *fp);
+extern void calculate(FUNC *fp, int argcount);
+extern VALUE builtinfunc(long index, int argcount, VALUE *stck);
+
+#endif
+
+/* END CODE */