diff options
Diffstat (limited to 'src/tparse/tree-value.go')
| -rw-r--r-- | src/tparse/tree-value.go | 76 |
1 files changed, 70 insertions, 6 deletions
diff --git a/src/tparse/tree-value.go b/src/tparse/tree-value.go index 7880a8b..ca7b20b 100644 --- a/src/tparse/tree-value.go +++ b/src/tparse/tree-value.go @@ -95,6 +95,17 @@ func parseUnaryOps(tokens *[]Token, tok, max int) (Node) { for ; tok < max && !val; tok++ { t := (*tokens)[tok] switch t.Type { + case DELIMIT: + var tmp Node + switch t.Data { + case "(": // Parenthetical value + return parseBinaryOp(tokens, tok, max) + case "{": // Array or struct evaluation + tmp, _ = parseValueList(tokens, tok, max) + return tmp + default: + errOut("Unexpected delimiter when parsing value", t) + } case DEFWORD: fallthrough case LITERAL: @@ -125,7 +136,8 @@ func parseUnaryOps(tokens *[]Token, tok, max int) (Node) { var tmp Node switch t.Data { case "(": // Function call - //TODO: parse list of values here + tmp, tok = parseValueList(tokens, tok, max) + out.Sub = append(out.Sub, tmp) case "[": // Typecasting tmp, tok = parseType(tokens, tok, max, false) out.Sub = append(out.Sub, tmp) @@ -158,13 +170,36 @@ func parseBinaryOp(tokens *[]Token, tok, max int) (Node) { out := Node{IsBlock: false} first := tok var high, highOrder, bincount int = first, 8, 0 + var curl, brak, parn int = 0, 0, 0 // Find first high-order op for ; tok < max; tok++ { t := (*tokens)[tok] - if t.Type == AUGMENT { + if t.Type == DELIMIT { + switch t.Data { + case "{": + curl++ + case "[": + brak++ + case "(": + parn++ + + case "}": + curl-- + case "]": + brak-- + case ")": + parn-- + } + + if curl < 0 || brak < 0 || parn < 0 { + if curl > 0 || brak > 0 || parn > 0 { + errOut("Un-matched closing delimiter when parsing a type.", t) + } + } + } else if t.Type == AUGMENT { order, prs := ORDER[t.Data] - if !prs { + if !prs || curl > 0 || brak > 0 || parn > 0 { continue } else if order > highOrder { high, highOrder = tok, order @@ -191,19 +226,48 @@ func parseBinaryOp(tokens *[]Token, tok, max int) (Node) { // TODO: fix this func parseValue(tokens *[]Token, tok, max int) (Node, int) { first := tok - + var curl, brak, parn int = 0, 0, 0 for ; tok < max; tok++ { t := (*tokens)[tok] switch t.Type { case LINESEP: + if curl > 0 || brak > 0 || parn > 0 { + errOut("Encountered end of statement before all delimiter pairs were closed while looking for the end of a value.", t) + } + fallthrough case INLNSEP: + if curl > 0 || brak > 0 || parn > 0 { + continue + } + goto PARSEBIN case DELIMIT: - case AUGMENT: - case LITERAL: + switch t.Data { + case "{": + curl++ + case "[": + brak++ + case "(": + parn++ + + case "}": + curl-- + case "]": + brak-- + case ")": + parn-- + } + + if curl < 0 || brak < 0 || parn < 0 { + if curl > 0 || brak > 0 || parn > 0 { + errOut("Un-matched closing delimiter when parsing a value.", t) + } + } } } + PARSEBIN: + return parseBinaryOp(tokens, first, tok), tok } |