diff options
Diffstat (limited to 'BaseTools/Source/C/VfrCompile/Pccts/h/ast.h')
| -rw-r--r-- | BaseTools/Source/C/VfrCompile/Pccts/h/ast.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/BaseTools/Source/C/VfrCompile/Pccts/h/ast.h b/BaseTools/Source/C/VfrCompile/Pccts/h/ast.h new file mode 100644 index 0000000000..5ff84bd76c --- /dev/null +++ b/BaseTools/Source/C/VfrCompile/Pccts/h/ast.h @@ -0,0 +1,121 @@ +/* Abstract syntax tree
+ *
+ * Macros, definitions
+ *
+ * SOFTWARE RIGHTS
+ *
+ * We reserve no LEGAL rights to the Purdue Compiler Construction Tool
+ * Set (PCCTS) -- PCCTS is in the public domain. An individual or
+ * company may do whatever they wish with source code distributed with
+ * PCCTS or the code generated by PCCTS, including the incorporation of
+ * PCCTS, or its output, into commerical software.
+ *
+ * We encourage users to develop software with PCCTS. However, we do ask
+ * that credit is given to us for developing PCCTS. By "credit",
+ * we mean that if you incorporate our source code into one of your
+ * programs (commercial product, research project, or otherwise) that you
+ * acknowledge this fact somewhere in the documentation, research report,
+ * etc... If you like PCCTS and have developed a nice tool with the
+ * output, please mention that you developed it using PCCTS. In
+ * addition, we ask that this header remain intact in our source code.
+ * As long as these guidelines are kept, we expect to continue enhancing
+ * this system and expect to make other tools available as they are
+ * completed.
+ *
+ * ANTLR 1.33
+ * Terence Parr
+ * Parr Research Corporation
+ * with Purdue University and AHPCRC, University of Minnesota
+ * 1989-2000
+ */
+
+#ifndef ZZAST_H
+#define ZZAST_H
+
+#define zzastOvfChk \
+ if ( zzast_sp <= 0 ) \
+ { \
+ fprintf(stderr, zzStackOvfMsg, __FILE__, __LINE__); \
+ exit(PCCTS_EXIT_FAILURE); \
+ }
+
+#ifndef USER_DEFINED_AST
+#ifndef AST_FIELDS
+#define AST_FIELDS
+#endif
+
+typedef struct _ast {
+ struct _ast *right, *down;
+#ifdef zzAST_DOUBLE
+ struct _ast *left, *up;
+#endif
+ AST_FIELDS
+} AST;
+
+#else
+
+#ifdef zzAST_DOUBLE
+#define AST_REQUIRED_FIELDS struct _ast *right, *down, *left, *up;
+#else
+#define AST_REQUIRED_FIELDS struct _ast *right, *down;
+#endif
+
+#endif
+
+
+/* N o d e a c c e s s m a c r o s */
+#define zzchild(t) (((t)==NULL)? (AST *) NULL:(t->down)) /* MR19 */
+#define zzsibling(t) (((t)==NULL)? (AST *) NULL:(t->right)) /* MR19 */
+
+
+/* define global variables needed by #i stack */
+#define zzASTgvars \
+ AST *zzastStack[ZZAST_STACKSIZE]; \
+ int zzast_sp = ZZAST_STACKSIZE;
+
+#define zzASTVars AST *_ast = NULL, *_sibling = NULL, *_tail = NULL
+#define zzSTR ( (_tail==NULL)?(&_sibling):(&(_tail->right)) )
+#define zzastCur (zzastStack[zzast_sp])
+#define zzastArg(i) (zzastStack[zztsp-i])
+#define zzastPush(p) zzastOvfChk; zzastStack[--zzast_sp] = p;
+#define zzastDPush --zzast_sp
+#define zzastMARK zztsp=zzast_sp; /* Save state of stack */
+#define zzastREL zzast_sp=zztsp; /* Return state of stack */
+#define zzrm_ast {zzfree_ast(*_root); _tail = _sibling = (*_root)=NULL;}
+
+extern int zzast_sp;
+extern AST *zzastStack[];
+
+/* MR26 */
+
+#ifdef PCCTS_USE_STDARG
+AST *zztmake(AST *, ...);
+#else
+AST *zztmake();
+#endif
+
+#ifdef __USE_PROTOS
+void zzlink(AST **, AST **, AST **);
+void zzsubchild(AST **, AST **, AST **);
+void zzsubroot(AST **, AST **, AST **);
+void zzpre_ast(AST *, void (*)(AST *), void (*)(AST *), void (*)(AST *));
+void zzfree_ast(AST *);
+AST *zzdup_ast(AST *);
+void zztfree(AST *);
+void zzdouble_link(AST *, AST *, AST *);
+AST *zzastnew(void);
+
+#else
+
+void zzlink();
+AST *zzastnew();
+void zzsubchild();
+void zzsubroot();
+void zzpre_ast();
+void zzfree_ast();
+AST *zzdup_ast();
+void zztfree();
+void zzdouble_link();
+#endif
+
+#endif
|