// rawBlock : openRawBlock content endRawBlock
// openRawBlock : OPEN_RAW_BLOCK helperName param* hash? CLOSE_RAW_BLOCK
// endRawBlock : OPEN_END_RAW_BLOCK helperName CLOSE_RAW_BLOCK
func (p *parser) parseRawBlock() *ast.BlockStatement {
// OPEN_RAW_BLOCK
tok := p.shift()
result := ast.NewBlockStatement(tok.Pos, tok.Line)
// helperName param* hash?
result.Expression = p.parseExpression(tok)
openName := result.Expression.Canonical()
// CLOSE_RAW_BLOCK
tok = p.shift()
if tok.Kind != lexer.TokenCloseRawBlock {
errExpected(lexer.TokenCloseRawBlock, tok)
}
// content
// @todo Is content mandatory in a raw block ?
content := p.parseContent()
program := ast.NewProgram(tok.Pos, tok.Line)
program.AddStatement(content)
result.Program = program
// OPEN_END_RAW_BLOCK
tok = p.shift()
if tok.Kind != lexer.TokenOpenEndRawBlock {
// should never happen as it is caught by lexer
errExpected(lexer.TokenOpenEndRawBlock, tok)
}
// helperName
endId := p.parseHelperName()
closeName, ok := ast.HelperNameStr(endId)
if !ok {
errNode(endId, "Erroneous closing expression")
}
if openName != closeName {
errNode(endId, fmt.Sprintf("%s doesn't match %s", openName, closeName))
}
// CLOSE_RAW_BLOCK
tok = p.shift()
if tok.Kind != lexer.TokenCloseRawBlock {
errExpected(lexer.TokenCloseRawBlock, tok)
}
return result
}
// helperName param* hash? blockParams?
func (p *parser) parseOpenBlockExpression(tok *lexer.Token) (*ast.BlockStatement, []string) {
var blockParams []string
result := ast.NewBlockStatement(tok.Pos, tok.Line)
// helperName param* hash?
result.Expression = p.parseExpression(tok)
// blockParams?
if p.isBlockParams() {
blockParams = p.parseBlockParams()
}
// named returned values
return result, blockParams
}