diff options
| author | Yuri Roubinsky <chaosus89@gmail.com> | 2022-03-07 20:25:21 +0300 |
|---|---|---|
| committer | Yuri Rubinsky <chaosus89@gmail.com> | 2022-05-11 16:30:37 +0300 |
| commit | dbd7a315074257bca834e1448b53a905ebb8dd8b (patch) | |
| tree | a13d08663bc046cb445373b7828d0f3ac42cd867 /core/math | |
| parent | 9963ae3553d059e4ac3b57c7a4cdc55d1a87d49a (diff) | |
Implement exponential operator (**) to GDScript/Expressions
Diffstat (limited to 'core/math')
| -rw-r--r-- | core/math/expression.cpp | 40 | ||||
| -rw-r--r-- | core/math/expression.h | 1 |
2 files changed, 27 insertions, 14 deletions
diff --git a/core/math/expression.cpp b/core/math/expression.cpp index 9dd1257474..97dc175d94 100644 --- a/core/math/expression.cpp +++ b/core/math/expression.cpp @@ -155,7 +155,12 @@ Error Expression::_get_token(Token &r_token) { return OK; } case '*': { - r_token.type = TK_OP_MUL; + if (expression[str_ofs] == '*') { + r_token.type = TK_OP_POW; + str_ofs++; + } else { + r_token.type = TK_OP_MUL; + } return OK; } case '%': { @@ -542,6 +547,7 @@ const char *Expression::token_name[TK_MAX] = { "OP MUL", "OP DIV", "OP MOD", + "OP POW", "OP SHIFT LEFT", "OP SHIFT RIGHT", "OP BIT AND", @@ -1013,6 +1019,9 @@ Expression::ENode *Expression::_parse_expression() { case TK_OP_MOD: op = Variant::OP_MODULE; break; + case TK_OP_POW: + op = Variant::OP_POWER; + break; case TK_OP_SHIFT_LEFT: op = Variant::OP_SHIFT_LEFT; break; @@ -1066,35 +1075,38 @@ Expression::ENode *Expression::_parse_expression() { bool unary = false; switch (expression[i].op) { - case Variant::OP_BIT_NEGATE: + case Variant::OP_POWER: priority = 0; + break; + case Variant::OP_BIT_NEGATE: + priority = 1; unary = true; break; case Variant::OP_NEGATE: - priority = 1; + priority = 2; unary = true; break; case Variant::OP_MULTIPLY: case Variant::OP_DIVIDE: case Variant::OP_MODULE: - priority = 2; + priority = 3; break; case Variant::OP_ADD: case Variant::OP_SUBTRACT: - priority = 3; + priority = 4; break; case Variant::OP_SHIFT_LEFT: case Variant::OP_SHIFT_RIGHT: - priority = 4; + priority = 5; break; case Variant::OP_BIT_AND: - priority = 5; + priority = 6; break; case Variant::OP_BIT_XOR: - priority = 6; + priority = 7; break; case Variant::OP_BIT_OR: - priority = 7; + priority = 8; break; case Variant::OP_LESS: case Variant::OP_LESS_EQUAL: @@ -1102,20 +1114,20 @@ Expression::ENode *Expression::_parse_expression() { case Variant::OP_GREATER_EQUAL: case Variant::OP_EQUAL: case Variant::OP_NOT_EQUAL: - priority = 8; + priority = 9; break; case Variant::OP_IN: - priority = 10; + priority = 11; break; case Variant::OP_NOT: - priority = 11; + priority = 12; unary = true; break; case Variant::OP_AND: - priority = 12; + priority = 13; break; case Variant::OP_OR: - priority = 13; + priority = 14; break; default: { _set_error("Parser bug, invalid operator in expression: " + itos(expression[i].op)); diff --git a/core/math/expression.h b/core/math/expression.h index d43cc4091a..6ea3c1611f 100644 --- a/core/math/expression.h +++ b/core/math/expression.h @@ -85,6 +85,7 @@ private: TK_OP_MUL, TK_OP_DIV, TK_OP_MOD, + TK_OP_POW, TK_OP_SHIFT_LEFT, TK_OP_SHIFT_RIGHT, TK_OP_BIT_AND, |