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Fixing functions logic wip

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Hazem Krimi
2024-05-15 21:59:52 +01:00
parent dca5d7dc70
commit 02c6de597b
4 changed files with 142 additions and 37 deletions
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include/functions.h
+45 -20
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@@ -4,12 +4,14 @@
using namespace std;
string translateFunction(string name, int args) {
string translateFunction(string name, int args)
{
stringstream output;
output << "(" << name << ")" << endl;
for (int i = 0; i < args; ++i) {
for (int i = 0; i < args; i++)
{
output << "@0" << endl;
output << "D=A" << endl;
output << "@SP" << endl;
@@ -22,10 +24,10 @@ string translateFunction(string name, int args) {
return output.str();
}
string translateCall(string name, int args) {
string translateCall(string name, int args)
{
stringstream output;
string label = name + "$ret" + generateRandomLabel(3);
vector<string> frame = { "LCL", "ARG", "THIS", "THAT" };
output << "@" << label << endl;
output << "D=A" << endl;
@@ -35,20 +37,38 @@ string translateCall(string name, int args) {
output << "@SP" << endl;
output << "M=M+1" << endl;
for (const string &segment : frame) {
output << "@" << segment << endl;
output << "D=M" << endl;
output << "@SP" << endl;
output << "A=M" << endl;
output << "M=D" << endl;
output << "@SP" << endl;
output << "M=M+1" << endl;
}
output << "@SP" << endl;
output << "D=M" << endl;
output << "@LCL" << endl;
output << "D=M" << endl;
output << "@SP" << endl;
output << "A=M" << endl;
output << "M=D" << endl;
output << "@SP" << endl;
output << "M=M+1" << endl;
output << "@ARG" << endl;
output << "D=M" << endl;
output << "@SP" << endl;
output << "A=M" << endl;
output << "M=D" << endl;
output << "@SP" << endl;
output << "M=M+1" << endl;
output << "@THIS" << endl;
output << "D=M" << endl;
output << "@SP" << endl;
output << "A=M" << endl;
output << "M=D" << endl;
output << "@SP" << endl;
output << "M=M+1" << endl;
output << "@THAT" << endl;
output << "D=M" << endl;
output << "@SP" << endl;
output << "A=M" << endl;
output << "M=D" << endl;
output << "@SP" << endl;
output << "M=M+1" << endl;
output << "@SP" << endl;
output << "D=M" << endl;
output << "@R" << endl;
@@ -64,7 +84,11 @@ string translateCall(string name, int args) {
output << "D=M" << endl;
output << "@ARG" << endl;
output << "M=D" << endl;
output << "@R" << endl;
output << "@SP" << endl;
output << "D=M" << endl;
output << "@LCL" << endl;
output << "M=D" << endl;
output << "@" << name << endl;
output << "0;JMP" << endl;
@@ -73,7 +97,8 @@ string translateCall(string name, int args) {
return output.str();
}
string translateReturn() {
string translateReturn()
{
stringstream output;
string cleanupLabel = "cleanup$ret" + generateRandomLabel(3);
string endLabel = "end$ret" + generateRandomLabel(3);
@@ -119,7 +144,7 @@ string translateReturn() {
output << "D=M" << endl;
output << "@THAT" << endl;
output << "M=D" << endl;
output << "@END_FRAME" << endl;
output << "D=M" << endl;
output << "@2" << endl;
@@ -128,7 +153,7 @@ string translateReturn() {
output << "D=M" << endl;
output << "@THIS" << endl;
output << "M=D" << endl;
output << "@END_FRAME" << endl;
output << "D=M" << endl;
output << "@3" << endl;