diff options
Diffstat (limited to 'parser.cpp')
| -rw-r--r-- | parser.cpp | 64 |
1 files changed, 58 insertions, 6 deletions
@@ -3,6 +3,7 @@ #include "sciteco.h" #include "undo.h" +#include "expressions.h" #include "parser.h" gint macro_pc = 0; @@ -76,20 +77,71 @@ State * StateStart::custom(gchar chr) { #if 0 + /* + * <CTRL/x> commands implemented in StateCtrlCmd + */ if (IS_CTL(chr)) return states.ctl.get_next_state(CTL_ECHO(chr)); #endif + /* + * arithmetics + */ + if (g_ascii_isdigit(chr)) { + expressions.add_digit(chr); + return this; + } + switch (g_ascii_toupper(chr)) { + case '/': + expressions.push_calc(Expressions::OP_DIV); + break; + case '*': + expressions.push_calc(Expressions::OP_MUL); + break; + case '+': + expressions.push_calc(Expressions::OP_ADD); + break; + case '-': + if (!expressions.args() && + expressions.peek_num() == G_MAXINT64) + expressions.set_num_sign(-expressions.num_sign); + else + expressions.push_calc(Expressions::OP_SUB); + break; + case '&': + expressions.push_calc(Expressions::OP_AND); + break; + case '#': + expressions.push_calc(Expressions::OP_OR); + break; + case '(': + if (expressions.num_sign < 0) { + expressions.push(-1); + expressions.push_calc(Expressions::OP_MUL); + } + expressions.push(Expressions::OP_BRACE); + break; + case ')': + expressions.eval(true); + break; + case ',': + expressions.eval(); + expressions.push(G_MAXINT64); + break; /* * commands */ - case 'C': - editor_msg(SCI_CHARRIGHT); - undo.push_msg(SCI_CHARLEFT); - break; - default: - return NULL; + case 'C': + editor_msg(SCI_CHARRIGHT); + undo.push_msg(SCI_CHARLEFT); + break; + case '=': + message_display(GTK_MESSAGE_OTHER, "%" G_GINT64_FORMAT, + expressions.pop_num_calc()); + break; + default: + return NULL; } return this; |