Turn off parser tracing
git-svn-id: https://svn.tlawal.org/svn/monkey@48 f6afcba9-9ef1-4bdd-9b72-7484f5705bac
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@ -174,7 +174,7 @@ func (l_parser *Parser) parse_statement() ast.Statement {
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}
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func (l_parser *Parser) parse_let_statement() *ast.LetStatement {
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defer untrace(trace("parse_let_statement"))
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//defer untrace(trace("parse_let_statement"))
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statement := &ast.LetStatement{Token: l_parser.current_token}
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@ -197,7 +197,7 @@ func (l_parser *Parser) parse_let_statement() *ast.LetStatement {
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}
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func (l_parser *Parser) parse_return_statement() *ast.ReturnStatement {
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defer untrace(trace("parse_return_statement"))
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//defer untrace(trace("parse_return_statement"))
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statement := &ast.ReturnStatement{Token: l_parser.current_token}
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l_parser.next_token()
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@ -211,7 +211,7 @@ func (l_parser *Parser) parse_return_statement() *ast.ReturnStatement {
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}
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func (l_parser *Parser) parse_expression_statement() *ast.ExpressionStatement {
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defer untrace(trace("parse_expression_statement"))
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//defer untrace(trace("parse_expression_statement"))
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statement := &ast.ExpressionStatement{Token: l_parser.current_token}
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statement.Expression = l_parser.parse_expression(LOWEST)
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if l_parser.peek_token_is(token.SEMICOLON) {
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@ -221,12 +221,12 @@ func (l_parser *Parser) parse_expression_statement() *ast.ExpressionStatement {
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}
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func (l_parser *Parser) parse_identifier() ast.Expression {
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defer untrace(trace("parse_identifier"))
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//defer untrace(trace("parse_identifier"))
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return &ast.Identifier{Token: l_parser.current_token, Value: l_parser.current_token.Literal}
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}
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func (l_parser *Parser) parse_integer_literal() ast.Expression {
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defer untrace(trace("parse_integer_literal"))
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//defer untrace(trace("parse_integer_literal"))
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literal := &ast.IntegerLiteral{Token: l_parser.current_token}
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value, error := strconv.ParseInt(l_parser.current_token.Literal, 0, 64)
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if error != nil {
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@ -240,7 +240,7 @@ func (l_parser *Parser) parse_integer_literal() ast.Expression {
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// Here lies the heart of Pratt Parsing
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func (l_parser *Parser) parse_expression(precedence int) ast.Expression {
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defer untrace(trace("parse_expression"))
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//defer untrace(trace("parse_expression"))
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prefix := l_parser.prefix_parse_functions[l_parser.current_token.Type]
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if prefix == nil {
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l_parser.no_prefix_parse_function_error(l_parser.current_token.Type)
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@ -261,7 +261,7 @@ func (l_parser *Parser) parse_expression(precedence int) ast.Expression {
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}
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func (l_parser *Parser) parse_prefix_expression() ast.Expression {
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defer untrace(trace("parse_prefix_expression"))
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//defer untrace(trace("parse_prefix_expression"))
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expression := &ast.PrefixExpression{
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Token: l_parser.current_token,
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Operator: l_parser.current_token.Literal,
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@ -272,7 +272,7 @@ func (l_parser *Parser) parse_prefix_expression() ast.Expression {
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}
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func (l_parser *Parser) parse_infix_expression(left ast.Expression) ast.Expression {
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defer untrace(trace("parse_prefix_expression"))
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//defer untrace(trace("parse_prefix_expression"))
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expression := &ast.InfixExpression{
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Token: l_parser.current_token,
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Operator: l_parser.current_token.Literal,
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@ -291,7 +291,7 @@ func (l_parser *Parser) no_prefix_parse_function_error(l_token_type token.TokenT
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}
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func (l_parser *Parser) parse_boolean() ast.Expression {
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defer untrace(trace("parse_boolean"))
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// defer untrace(trace("parse_boolean"))
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return &ast.Boolean{
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Token: l_parser.current_token,
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Value: l_parser.current_token_is(token.TRUE),
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@ -299,7 +299,7 @@ func (l_parser *Parser) parse_boolean() ast.Expression {
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}
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func (l_parser *Parser) parse_grouped_expression() ast.Expression {
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defer untrace(trace("parse_grouped_expression"))
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//defer untrace(trace("parse_grouped_expression"))
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l_parser.next_token()
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expression := l_parser.parse_expression(LOWEST)
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if !l_parser.expect_peek(token.RPAREN) {
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@ -309,7 +309,7 @@ func (l_parser *Parser) parse_grouped_expression() ast.Expression {
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}
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func (l_parser *Parser) parse_if_expression() ast.Expression {
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defer untrace(trace("parse_if_expression"))
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//defer untrace(trace("parse_if_expression"))
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expression := &ast.IfExpression{
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Token: l_parser.current_token,
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}
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@ -343,7 +343,7 @@ func (l_parser *Parser) parse_if_expression() ast.Expression {
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}
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func (l_parser *Parser) parse_block_statement() *ast.BlockStatement {
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defer untrace(trace("parse_block_statement"))
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// defer untrace(trace("parse_block_statement"))
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block := &ast.BlockStatement{Token: l_parser.current_token}
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block.Statements = []ast.Statement{}
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@ -360,7 +360,7 @@ func (l_parser *Parser) parse_block_statement() *ast.BlockStatement {
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}
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func (l_parser *Parser) parse_function_literal() ast.Expression {
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defer untrace(trace("parse_function_literal"))
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// defer untrace(trace("parse_function_literal"))
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literal := &ast.FunctionLiteral{Token: l_parser.current_token}
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if !l_parser.expect_peek(token.LPAREN) {
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return nil
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@ -376,7 +376,7 @@ func (l_parser *Parser) parse_function_literal() ast.Expression {
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}
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func (l_parser *Parser) parse_function_parameters() []*ast.Identifier {
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defer untrace(trace("parse_function_parameters"))
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// defer untrace(trace("parse_function_parameters"))
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identifiers := []*ast.Identifier{}
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if l_parser.peek_token_is(token.RPAREN) {
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@ -402,14 +402,14 @@ func (l_parser *Parser) parse_function_parameters() []*ast.Identifier {
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}
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func (l_parser *Parser) parse_call_expression(function ast.Expression) ast.Expression {
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defer untrace(trace("parse_call_expression"))
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// defer untrace(trace("parse_call_expression"))
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expression := &ast.CallExpression{Token: l_parser.current_token, Function: function}
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expression.Arguments = l_parser.parse_call_arguments()
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return expression
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}
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func (l_parser *Parser) parse_call_arguments() []ast.Expression {
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defer untrace(trace("parse_call_arguments"))
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// defer untrace(trace("parse_call_arguments"))
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args := []ast.Expression{}
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if l_parser.peek_token_is(token.RPAREN) {
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