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add metadata to class fields during visit of function definition nodes

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nitrix
2020-03-09 15:57:37 +01:00
parent acaa37b3b1
commit d96b083c41
1 changed files with 6 additions and 0 deletions
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6
src/main/java/de/hsrm/compiler/Klang/visitors/GenASM.java
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@@ -113,6 +113,8 @@ public class GenASM implements Visitor<Void> {
String[] registers = { "%rdi", "%rsi", "%rdx", "%rcx", "%r8", "%r9" };
String[] floatRegisters = { "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7" };
private int lCount = 0; // Invariante: lCount ist benutzt
private int currentFunctionStartLabel = 0;
private Parameter[] currentFunctionParams;
private void intToFloat(String src, String dst) {
this.ex.write(" cvtsi2sd " + src + ", " + dst + "\n");
@@ -606,11 +608,15 @@ public class GenASM implements Visitor<Void> {
@Override
public Void visit(FunctionDefinition e) {
int lblStart = ++lCount;
this.currentFunctionStartLabel = lblStart;
this.currentFunctionParams = e.parameters;
this.ex.write(".globl " + e.name + "\n");
this.ex.write(".type " + e.name + ", @function\n");
this.ex.write(e.name + ":\n");
this.ex.write(" pushq %rbp\n");
this.ex.write(" movq %rsp, %rbp\n");
this.ex.write(".L" + lblStart + ":\n");
// hole die anzahl der lokalen variablen
this.vars = new TreeSet<String>();