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Implemented simple expressions

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This commit is contained in:
Eduard Urbach 2024-06-25 20:50:06 +02:00
parent c437b1d0f8
commit 37e222e022
Signed by: eduard
GPG key ID: 49226B848C78F6C8
12 changed files with 232 additions and 52 deletions
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5
src/build/Assignment.go
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@ -11,7 +11,6 @@ import (
// CompileAssignment compiles an assignment.
func (f *Function) CompileAssignment(expr *expression.Expression) error {
name := expr.Children[0].Token.Text()
number, _ := strconv.Atoi(expr.Children[1].Token.Text())
register := f.Variables[name].Register
switch expr.Token.Text() {
@ -19,15 +18,19 @@ func (f *Function) CompileAssignment(expr *expression.Expression) error {
f.ExpressionToRegister(expr.Children[1], register)
case "+=":
number, _ := strconv.Atoi(expr.Children[1].Token.Text())
f.Assembler.RegisterNumber(asm.ADD, register, number)
case "-=":
number, _ := strconv.Atoi(expr.Children[1].Token.Text())
f.Assembler.RegisterNumber(asm.SUB, register, number)
case "*=":
number, _ := strconv.Atoi(expr.Children[1].Token.Text())
f.Assembler.RegisterNumber(asm.MUL, register, number)
case "/=":
number, _ := strconv.Atoi(expr.Children[1].Token.Text())
f.Assembler.RegisterNumber(asm.DIV, register, number)
default: