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Implemented an abstract syntax tree

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This commit is contained in:
Eduard Urbach 2024-06-30 22:54:59 +02:00
parent 3b29d4cdee
commit 8453273d73
Signed by: eduard
GPG key ID: 49226B848C78F6C8
28 changed files with 422 additions and 315 deletions
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20
src/build/expression/Operator.go
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@ -9,7 +9,7 @@ import (
// Operator represents an operator for mathematical expressions.
type Operator struct {
Symbol string
Precedence int
Precedence int8
Operands int
}
@ -39,14 +39,14 @@ var Operators = map[string]*Operator{
"&&": {"&&", 2, 2},
"||": {"||", 1, 2},
"=": {"=", math.MinInt, 2},
":=": {":=", math.MinInt, 2},
"+=": {"+=", math.MinInt, 2},
"-=": {"-=", math.MinInt, 2},
"*=": {"*=", math.MinInt, 2},
"/=": {"/=", math.MinInt, 2},
">>=": {">>=", math.MinInt, 2},
"<<=": {"<<=", math.MinInt, 2},
"=": {"=", math.MinInt8, 2},
":=": {":=", math.MinInt8, 2},
"+=": {"+=", math.MinInt8, 2},
"-=": {"-=", math.MinInt8, 2},
"*=": {"*=", math.MinInt8, 2},
"/=": {"/=", math.MinInt8, 2},
">>=": {">>=", math.MinInt8, 2},
"<<=": {"<<=", math.MinInt8, 2},
}
func isComplete(expr *Expression) bool {
@ -75,7 +75,7 @@ func numOperands(symbol string) int {
return operator.Operands
}
func precedence(symbol string) int {
func precedence(symbol string) int8 {
operator, exists := Operators[symbol]
if !exists {