48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#ifndef COMPILER_SCOPES_H
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#define COMPILER_SCOPES_H
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#include "parser-tree.h"
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/* compiler-scopes
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* Tools for dealing with scopes.
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*
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* They can be used to create, expand and stack scopes, as well as to enforce
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* certain semantic rules. */
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// Data types
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typedef enum {
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subroutdec, classvardec, vardec, class, parameter
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} OBJTYPE;
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typedef struct object {
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void* pointer;
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DEBUGINFO* debug;
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STRINGLIST* names;
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OBJTYPE type;
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struct object* next;
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} OBJ;
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typedef struct scope {
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OBJ* objects;
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int condlabelcount;
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struct scope* previous;
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} SCOPE;
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// Group adding
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void addclassvardecs(SCOPE* s, CLASSVARDEC* vs);
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void addvardecs(SCOPE* s, VARDEC* vs);
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void addsubroutdecs(SCOPE* s, SUBROUTDEC* ss);
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void addclasses(SCOPE* s, CLASS* c);
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void addparameters(SCOPE* s, PARAMETER* p);
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// Scope handling
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SCOPE* mkscope(SCOPE* prev);
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// Single type getters
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SUBROUTDEC* getsubroutdec(SCOPE* s, const char* name);
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SUBROUTDEC* getsubroutdecfromcall(SCOPE* s, SUBROUTCALL* call);
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CLASS* getclass(SCOPE* s, const char* name);
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// Generic getters
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OBJ* getbyname(SCOPE* s, const char* name);
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#endif
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