jack-compiler/compiler/compiler-scopes.h

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#ifndef COMPILER_SCOPES_H
#define COMPILER_SCOPES_H
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#include "parser-tree.h"
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#include "compiler.h"
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/* compiler-scopes
* Tools for dealing with scopes.
*
* They can be used to create, expand and stack scopes, as well as to enforce
* certain semantic rules. */
// Data types
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typedef struct var {
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DEBUGINFO* debug;
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char* memsegment;
char* type;
char* name;
int index;
bool primitive;
struct var* next;
} VAR;
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typedef struct scope {
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struct compiler* compiler;
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DEBUGINFO* currdebug;
CLASS* currclass;
CLASS* classes;
SUBROUTDEC* subroutines;
VAR* fields;
VAR* staticvars;
VAR* localvars;
VAR* parameters;
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struct scope* previous;
} SCOPE;
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struct compiler;
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// Group adding
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void addclassvardecs(SCOPE* s, CLASSVARDEC* classvardecs);
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void addlocalvars(SCOPE* s, VARDEC* localvars);
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void addparameters(SCOPE* s, bool isformethod, PARAMETER* params);
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// Scope handling
SCOPE* mkscope(SCOPE* prev);
// Single type getters
SUBROUTDEC* getsubroutdecfromcall(SCOPE* s, SUBROUTCALL* call, VAR** varret);
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CLASS* getclass(SCOPE* s, const char* name);
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// Generic getters
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VAR* getvar(SCOPE* s, const char* name);
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// Freeing
void freescope(SCOPE* s);
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#endif