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80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
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#ifndef MACROS__H
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#define MACROS__H
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/* Arguments given to macros or .IRP/.IRPC blocks */
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#include "symbols.h"
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#include "stream2.h"
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typedef struct arg {
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struct arg *next; /* Pointer in arg list */
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int locsym; /* Whether arg represents an optional
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local symbol */
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char *label; /* Argument name */
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char *value; /* Default or active substitution */
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} ARG;
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/* A MACRO is a superstructure surrounding a SYMBOL. */
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typedef struct macro {
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SYMBOL sym; /* Surrounds a symbol, contains the macro
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name */
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ARG *args; /* The argument list */
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BUFFER *text; /* The macro text */
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} MACRO;
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typedef struct macro_stream {
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BUFFER_STREAM bstr; /* Base class: buffer stream */
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int nargs; /* Add number-of-macro-arguments */
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int cond; /* Add saved conditional stack */
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} MACRO_STREAM;
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#ifndef MACROS__C
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extern STREAM_VTBL macro_stream_vtbl;
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#endif
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MACRO *new_macro(
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char *label);
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void free_macro(
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MACRO *mac);
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MACRO *defmacro(
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char *cp,
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STACK *stack,
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int called);
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#define CALLED_NORMAL 0
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#define CALLED_NOLIST 1
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#define CALLED_NODEFINE 2
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STREAM *expandmacro(
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STREAM *refstr,
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MACRO *mac,
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char *cp);
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ARG *new_arg(
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void);
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void read_body(
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STACK *stack,
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BUFFER *gb,
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char *name,
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int called);
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char *getstring_macarg(
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STREAM *refstr,
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char *cp,
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char **endp);
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BUFFER *subst_args(
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BUFFER *text,
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ARG *args);
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int do_mcall (
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char *label,
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STACK *stack);
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#endif
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