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Added scope to paramter passes

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This commit is contained in:
Samuel D. Crow
2021-04-15 12:40:57 -05:00
parent d37eb38ad1
commit ca08646b93
5 changed files with 49 additions and 40 deletions
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32
yab2cpp.h
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@@ -10,6 +10,7 @@
*/
#include <string>
#include <list>
#include <vector>
#include <unordered_map>
#include <memory>
#include <iostream>
@@ -23,6 +24,7 @@ using namespace std;
#define VER_RELEASE 1
class variableType;
class fn;
extern ofstream output_cpp;
extern ofstream funcs_h;
extern ofstream heap_h;
@@ -60,9 +62,9 @@ enum COMPILE_ERRORS:unsigned int
extern enum COMPILE_ERRORS errorLevel;
extern unsigned int indentLevel;
/*TODO: Replace scopeGlobal with currentFunc==0*/
/*TODO: Replace scopeGlobal with currentFunc==nullptr*/
extern bool scopeGlobal;
extern unsigned int currentFunc;
extern fn *currentFunc;
/* flags used internally by the compiler */
extern bool COMPILE;
@@ -111,13 +113,6 @@ enum CODES:unsigned int
T_UNKNOWNFUNC
};
typedef union
{
double d;
int i;
string *s;
}boxTypes;
/* subtypes of the T_PRINTSEPARATOR type */
enum SEPARATORS:unsigned int
{
@@ -131,7 +126,8 @@ enum SCOPES:unsigned int
S_UNKNOWN,
S_LOCAL,
S_STATIC,
S_GLOBAL
S_GLOBAL,
S_PARAMETER
};
enum OPERATORS:unsigned int
@@ -169,11 +165,10 @@ class operands
enum TYPES type;
unsigned int id;
static unsigned int nextID;
/* private constructor for parameter passing only */
explicit operands(unsigned int id, enum TYPES t);
protected:
void generateBox(enum SCOPES s);
/* constructor for parameter passing */
explicit operands(unsigned int id, enum TYPES t);
explicit operands(enum TYPES t);
virtual ~operands()
{}
@@ -359,14 +354,15 @@ public:
class variableType:public operands
{
enum SCOPES myScope;
unsigned int localID;
fn *handle;
public:
static variableType *getOrCreateVar(string &name, enum TYPES t);
static variableType *cloneAttributes(variableType *v);
virtual string boxName();
void assignment(expression *value);
/* always call generateBox() after new variableType() */
variableType(enum SCOPES s, string &name, enum TYPES t, unsigned int fnID);
variableType(enum SCOPES s, string &name, enum TYPES t, fn *fnHandle);
variableType();
~variableType()
{}
@@ -408,7 +404,8 @@ class fn
{
static unordered_map<string, unique_ptr<fn> > functions;
static unsigned int nextID;
list<variableType * >params;
unordered_map<string, variableType *>parameters;
vector<variableType *>params;
unsigned int id;
enum CODES type;
enum TYPES kind;
@@ -426,7 +423,8 @@ public:
enum CODES getType() const {return this->type;}
unsigned int getID() const {return this->id;}
size_t getNumParams() const {return this->params.size();}
void addParameter(variableType *);
variableType *getLocalVar(string &name);
void addParameter(string &name, enum TYPES t);
operands *generateCall(string &name, list<operands *>&paramList);
/* standard return is for call */