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package parser
import (
"github.com/hashicorp/hil/ast"
"github.com/hashicorp/hil/scanner"
)
var binaryOps []map[scanner.TokenType]ast.ArithmeticOp
func init() {
// This operation table maps from the operator's scanner token type
// to the AST arithmetic operation. All expressions produced from
// binary operators are *ast.Arithmetic nodes.
//
// Binary operator groups are listed in order of precedence, with
// the *lowest* precedence first. Operators within the same group
// have left-to-right associativity.
binaryOps = []map[scanner.TokenType]ast.ArithmeticOp{
{
scanner.OR: ast.ArithmeticOpLogicalOr,
},
{
scanner.AND: ast.ArithmeticOpLogicalAnd,
},
{
scanner.EQUAL: ast.ArithmeticOpEqual,
scanner.NOTEQUAL: ast.ArithmeticOpNotEqual,
},
{
scanner.GT: ast.ArithmeticOpGreaterThan,
scanner.GTE: ast.ArithmeticOpGreaterThanOrEqual,
scanner.LT: ast.ArithmeticOpLessThan,
scanner.LTE: ast.ArithmeticOpLessThanOrEqual,
},
{
scanner.PLUS: ast.ArithmeticOpAdd,
scanner.MINUS: ast.ArithmeticOpSub,
},
{
scanner.STAR: ast.ArithmeticOpMul,
scanner.SLASH: ast.ArithmeticOpDiv,
scanner.PERCENT: ast.ArithmeticOpMod,
},
}
}
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